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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Nikki Bookwalter

Bib: 29444 β€’F β€’Age: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
Race Day Weather
51Β°/41Β°F
overcast clouds
Personalized for Nikki

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment Β· 10:16/mi at mile 3.1

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Potential Focus Areas
One-time purchase Β· Instant access Β· Downloadable PDF Β· Shareable report

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
31:53
3.11 mi
Rank: #26656
Start β†’ 5K
31:53 | 10:16/mi
10K
1:04:08
6.21 mi
Rank: #26664 (-8)
5K β†’ 10K
32:15 | 10:23/mi
15K
1:39:23
9.32 mi
Rank: #27196 (-532)
10K β†’ 15K
35:15 | 11:21/mi
20K
2:17:12
12.43 mi
Rank: #27575 (-379)
15K β†’ 20K
37:49 | 12:11/mi
HALF
2:25:12
13.11 mi
Rank: #27618 (-43)
20K β†’ HALF
8:00 | 11:45/mi
25K
2:58:28
15.53 mi
Rank: #27930 (-312)
HALF β†’ 25K
33:16 | 13:44/mi
30K
3:41:12
18.64 mi
Rank: #27994 (-64)
25K β†’ 30K
42:44 | 13:46/mi
20M
3:58:44
20.00 mi
Rank: #27963 (+31)
30K β†’ 20M
17:32 | 12:55/mi
21M
4:13:30
21.00 mi
Rank: #27969 (-6)
20M β†’ 21M
14:46 | 14:46/mi
35K
4:22:40
21.75 mi
Rank: #27950 (+19)
21M β†’ 35K
9:10 | 12:16/mi
23M
4:38:21
23.00 mi
Rank: #27904 (+46)
35K β†’ 23M
15:41 | 12:32/mi
24M
4:51:29
24.00 mi
Rank: #27902 (+2)
23M β†’ 24M
13:08 | 13:08/mi
40K
5:02:47
24.85 mi
Rank: #27888 (+14)
24M β†’ 40K
11:18 | 13:13/mi
25.2M
5:07:46
25.20 mi
Rank: #27890 (-2)
40K β†’ 25.2M
4:59 | 14:28/mi
FINISH
5:19:58
26.22 mi
Rank: #27884 (+6)
25.2M β†’ FINISH
12:12 | 11:59/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:25:12
Pace11:05 /mi
2nd Half
Distance13.11 mi
Time2:54:46
Pace13:20 /mi
πŸ“ŠPositive Split: 20.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:4931:5310:1631:53
10:16
-
10K
6.21 mi12:28:041:04:0810:2032:15
10:23
+0:07
15K
9.32 mi13:03:191:39:2310:4035:15
11:21
+0:58
20K
12.43 mi13:41:082:17:1211:0337:49
12:11
+0:50
HALF
13.11 mi13:49:082:25:1211:058:00
11:45
-0:26
25K
15.53 mi14:22:242:58:2811:3033:16
13:44
+1:59
30K
18.64 mi15:05:083:41:1211:5242:44
13:46
+0:02
20M
20.00 mi15:22:403:58:4411:5717:32
12:55
-0:51
21M
21.00 mi15:37:264:13:3012:0514:46
14:46
+1:51
35K
21.75 mi15:46:364:22:4012:059:10
12:16
-2:30
23M
23.00 mi16:02:174:38:2112:0715:41
12:32
+0:16
24M
24.00 mi16:15:254:51:2912:0913:08
13:08
+0:36
40K
24.85 mi16:26:435:02:4712:1111:18
13:13
+0:05
25.2M
25.20 mi16:31:425:07:4612:134:59
14:28
+1:15
FINISH
26.22 mi16:43:545:19:5812:1312:12
11:59
-2:29

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

10:16 /mi

Average Pace

12:13 /mi

Slowest Pace

14:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:47:23

34% of race

Time at Steady Pace

1:45:32

33% of race

Time at Slower Pace

1:47:03

33% of race

Average Pace: 12:12 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:55:4931:5310:1631:53
10:16
#26656
10K
6.21 mi12:28:041:04:0810:2032:15
10:23
#26664
15K
9.32 mi13:03:191:39:2310:4035:15
11:21
#27196
20K
12.43 mi13:41:082:17:1211:0337:49
12:11
#27575
HALF
13.11 mi13:49:082:25:1211:058:00
11:45
#27618
25K
15.53 mi14:22:242:58:2811:3033:16
13:44
#27930
30K
18.64 mi15:05:083:41:1211:5242:44
13:46
#27994
20M
20.00 mi15:22:403:58:4411:5717:32
12:55
#27963
21M
21.00 mi15:37:264:13:3012:0514:46
14:46
#27969
35K
21.75 mi15:46:364:22:4012:059:10
12:16
#27950
23M
23.00 mi16:02:174:38:2112:0715:41
12:32
#27904
24M
24.00 mi16:15:254:51:2912:0913:08
13:08
#27902
40K
24.85 mi16:26:435:02:4712:1111:18
13:13
#27888
25.2M
25.20 mi16:31:425:07:4612:134:59
14:28
#27890
FINISH
26.22 mi16:43:545:19:5812:1312:12
11:59
#27884
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26656110741107427806(Top 96%)11794(Top 94%)11794(Top 206%)
10K6.21 mi3.10 mi26664-811096-2211096-2226709(Top 92%)11135(Top 89%)11135(Top 195%)
15K9.32 mi3.11 mi27196-53211412-31611412-31627806(Top 96%)11794(Top 94%)11794(Top 206%)
20K12.43 mi3.11 mi27575-37911639-22711639-22728148(Top 97%)12011(Top 95%)12011(Top 210%)
HALF13.11 mi0.68 mi27618-4311674-3511674-3528101(Top 97%)12020(Top 96%)12020(Top 210%)
25K15.53 mi2.42 mi27930-31211867-19311867-19328584(Top 98%)12321(Top 98%)12321(Top 216%)
30K18.64 mi3.11 mi27994-6411920-5311920-5328222(Top 97%)12143(Top 97%)12143(Top 212%)
20M20.00 mi1.36 mi27963+3111904+1611904+1627349(Top 94%)11669(Top 93%)11669(Top 204%)
21M21.00 mi1.00 mi27969-611913-911913-927913(Top 96%)12020(Top 96%)12020(Top 210%)
35K21.75 mi0.75 mi27950+1911902+1111902+1127026(Top 93%)11573(Top 92%)11573(Top 202%)
23M23.00 mi1.25 mi27904+4611881+2111881+2126824(Top 92%)11497(Top 91%)11497(Top 201%)
24M24.00 mi1.00 mi27902+211889-811889-827759(Top 96%)11996(Top 95%)11996(Top 210%)
40K24.85 mi0.85 mi27888+1411890-111890-127271(Top 94%)11757(Top 93%)11757(Top 206%)
25.2M25.20 mi0.35 mi27890-211895-511895-527590(Top 95%)11928(Top 95%)11928(Top 209%)
FINISH26.22 mi1.02 mi27884+611896-111896-127452(Top 95%)11846(Top 94%)11846(Top 207%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
Γ—21
+97ft-345ft

Overall

27806

Females

11794

F18-39

11794

5K→10K

3.1 - 6.2 mi

Top 92%
Γ—5
+79ft-138ft

Overall

26709

Females

11135

F18-39

11135

10K→15K

6.2 - 9.3 mi

Top 96%
Γ—3
+67ft-78ft

Overall

27806

Females

11794

F18-39

11794

15K→20K

9.3 - 12.4 mi

Top 97%
Γ—5
+106ft-86ft

Overall

28148

Females

12011

F18-39

12011

20K→HALF

12.4 - 13.1 mi

Top 97%
Γ—2
+19ft-37ft

Overall

28101

Females

12020

F18-39

12020

HALF→25K

13.1 - 15.5 mi

Top 98%
Γ—4
+66ft-88ft

Overall

28584

Females

12321

F18-39

12321

25K→30K

15.5 - 18.6 mi

Top 97%
Γ—9
+181ft-148ft

Overall

28222

Females

12143

F18-39

12143

30K→20M

18.6 - 20.0 mi

Top 94%
Γ—5
+64ft-50ft

Overall

27349

Females

11669

F18-39

11669

20M→21M

20.0 - 21.0 mi

Top 96%
Γ—8
+106ft-24ft

Overall

27913

Females

12020

F18-39

12020

21M→35K

21.0 - 21.8 mi

Top 93%
Γ—7
+17ft-86ft

Overall

27026

Females

11573

F18-39

11573

35K→23M

21.8 - 23.0 mi

Top 92%
Γ—5
+23ft-63ft

Overall

26824

Females

11497

F18-39

11497

23M→24M

23.0 - 24.0 mi

Top 96%
Γ—6
+12ft-82ft

Overall

27759

Females

11996

F18-39

11996

24M→40K

24.0 - 24.9 mi

Top 94%
Γ—1
+6ft-20ft

Overall

27271

Females

11757

F18-39

11757

40K→25.2M

24.9 - 25.2 mi

Top 95%
Γ—1
+13ft-16ft

Overall

27590

Females

11928

F18-39

11928

25.2M→FINISH

25.2 - 26.2 mi

Top 95%
Γ—2
+22ft-21ft

Overall

27452

Females

11846

F18-39

11846

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
477
Passed By
1037
Net Change
-1228
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#26656
5K β†’ 10K180188-8#26656#26664
10K β†’ 15K16200-532#26664#27196
15K β†’ 20K18200-379#27196#27575
20K β†’ HALF1154-43#27575#27618
HALF β†’ 25K11200-312#27618#27930
25K β†’ 30K47111-64#27930#27994
30K β†’ 20M4211+31#27994#27963
20M β†’ 21M1622-6#27963#27969
21M β†’ 35K256+19#27969#27950
35K β†’ 23M493+46#27950#27904
23M β†’ 24M1715+2#27904#27902
24M β†’ 40K228+14#27902#27888
40K β†’ 25.2M68-2#27888#27890
25.2M β†’ FINISH1711+6#27890#27884
TOTALS4771037-1228
πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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