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BOSTON MARATHON 2026

Nichola Walker

Bib: 23999•F

CA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Top 47%
Age Group (F45-49)
#0 / 1786
Race Day Weather
51°/41°F
overcast clouds

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
25:44
3.11 mi
Rank: #18774
Start → 5K
25:44 | 8:17/mi
10K
51:29
6.21 mi
Rank: #18943 (-169)
5K → 10K
25:45 | 8:18/mi
15K
1:16:50
9.32 mi
Rank: #18666 (+277)
10K → 15K
25:21 | 8:10/mi
20K
1:42:08
12.43 mi
Rank: #18275 (+391)
15K → 20K
25:18 | 8:09/mi
HALF
1:47:37
13.11 mi
Rank: #18229 (+46)
20K → HALF
5:29 | 8:03/mi
25K
2:07:23
15.53 mi
Rank: #17949 (+280)
HALF → 25K
19:46 | 8:10/mi
30K
2:33:39
18.64 mi
Rank: #17659 (+290)
25K → 30K
26:16 | 8:28/mi
20M
2:45:35
20.00 mi
Rank: #17660 (-1)
30K → 20M
11:56 | 8:48/mi
21M
2:55:02
21.00 mi
Rank: #17696 (-36)
20M → 21M
9:27 | 9:27/mi
35K
3:02:00
21.75 mi
Rank: #17838 (-142)
21M → 35K
6:58 | 9:19/mi
23M
3:14:50
23.00 mi
Rank: #18280 (-442)
35K → 23M
12:50 | 10:16/mi
24M
3:24:09
24.00 mi
Rank: #18410 (-130)
23M → 24M
9:19 | 9:19/mi
40K
3:32:14
24.85 mi
Rank: #18508 (-98)
24M → 40K
8:05 | 9:28/mi
25.2M
3:36:19
25.20 mi
Rank: #18660 (-152)
40K → 25.2M
4:05 | 11:51/mi
FINISH
3:45:37
26.22 mi
Rank: #18772 (-112)
25.2M → FINISH
9:18 | 9:08/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:47:37
Pace8:13 /mi
2nd Half
Distance13.11 mi
Time1:58:00
Pace9:01 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:5925:448:1725:44
8:17
-
10K
6.21 mi12:12:4451:298:1825:45
8:18
+0:01
15K
9.32 mi12:38:051:16:508:1525:21
8:10
-0:08
20K
12.43 mi13:03:231:42:088:1425:18
8:09
-0:01
HALF
13.11 mi13:08:521:47:378:135:29
8:03
-0:06
25K
15.53 mi13:28:382:07:238:1319:46
8:10
+0:07
30K
18.64 mi13:54:542:33:398:1526:16
8:28
+0:18
20M
20.00 mi14:06:502:45:358:1711:56
8:48
+0:20
21M
21.00 mi14:16:172:55:028:219:27
9:27
+0:39
35K
21.75 mi14:23:153:02:008:236:58
9:19
-0:08
23M
23.00 mi14:36:053:14:508:2912:50
10:16
+0:57
24M
24.00 mi14:45:243:24:098:319:19
9:19
-0:57
40K
24.85 mi14:53:293:32:148:338:05
9:28
+0:09
25.2M
25.20 mi14:57:343:36:198:364:05
11:51
+2:23
FINISH
26.22 mi15:06:523:45:378:379:18
9:08
-2:43

Checkpoint Splits Visualizations

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

📈Pace 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

8:03 /mi

Average Pace

8:37 /mi

Slowest Pace

11:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

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

2:07:23

56% of race

Time at Steady Pace

47:30

21% of race

Time at Slower Pace

50:44

22% of race

Average Pace: 8:36 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ 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 mi11:46:5925:448:1725:44
8:17
#18774
10K
6.21 mi12:12:4451:298:1825:45
8:18
#18943
15K
9.32 mi12:38:051:16:508:1525:21
8:10
#18666
20K
12.43 mi13:03:231:42:088:1425:18
8:09
#18275
HALF
13.11 mi13:08:521:47:378:135:29
8:03
#18229
25K
15.53 mi13:28:382:07:238:1319:46
8:10
#17949
30K
18.64 mi13:54:542:33:398:1526:16
8:28
#17659
20M
20.00 mi14:06:502:45:358:1711:56
8:48
#17660
21M
21.00 mi14:16:172:55:028:219:27
9:27
#17696
35K
21.75 mi14:23:153:02:008:236:58
9:19
#17838
23M
23.00 mi14:36:053:14:508:2912:50
10:16
#18280
24M
24.00 mi14:45:243:24:098:319:19
9:19
#18410
40K
24.85 mi14:53:293:32:148:338:05
9:28
#18508
25.2M
25.20 mi14:57:343:36:198:364:05
11:51
#18660
FINISH
26.22 mi15:06:523:45:378:379:18
9:08
#18772
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi187746958695818100(Top 62%)6535(Top 52%)6535(Top 366%)
10K6.21 mi3.10 mi18943-1697037-797037-7919114(Top 66%)7088(Top 56%)7088(Top 397%)
15K9.32 mi3.11 mi18666+2776858+1796858+17918100(Top 62%)6535(Top 52%)6535(Top 366%)
20K12.43 mi3.11 mi18275+3916642+2166642+21617160(Top 59%)6016(Top 48%)6016(Top 337%)
HALF13.11 mi0.68 mi18229+466614+286614+2817494(Top 60%)6215(Top 49%)6215(Top 348%)
25K15.53 mi2.42 mi17949+2806470+1446470+14416503(Top 57%)5718(Top 45%)5718(Top 320%)
30K18.64 mi3.11 mi17659+2906333+1376333+13716627(Top 57%)5892(Top 47%)5892(Top 330%)
20M20.00 mi1.36 mi17660-16358-256358-2517908(Top 62%)6704(Top 53%)6704(Top 375%)
21M21.00 mi1.00 mi17696-366395-376395-3718322(Top 63%)6961(Top 55%)6961(Top 390%)
35K21.75 mi0.75 mi17838-1426494-996494-9921207(Top 73%)8539(Top 68%)8539(Top 478%)
23M23.00 mi1.25 mi18280-4426772-2786772-27822802(Top 79%)9414(Top 75%)9414(Top 527%)
24M24.00 mi1.00 mi18410-1306854-826854-8220697(Top 71%)8392(Top 67%)8392(Top 470%)
40K24.85 mi0.85 mi18508-986929-756929-7520216(Top 70%)8170(Top 65%)8170(Top 457%)
25.2M25.20 mi0.35 mi18660-1527020-917020-9124167(Top 83%)10210(Top 81%)10210(Top 572%)
FINISH26.22 mi1.02 mi18772-1127101-817101-8121038(Top 72%)8592(Top 68%)8592(Top 481%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21
+97ft-345ft

Overall

18100

Females

6535

F45-49

6535

5K→10K

3.1 - 6.2 mi

Top 66%
×5
+79ft-138ft

Overall

19114

Females

7088

F45-49

7088

10K→15K

6.2 - 9.3 mi

Top 62%
×3
+67ft-78ft

Overall

18100

Females

6535

F45-49

6535

15K→20K

9.3 - 12.4 mi

Top 59%
×5
+106ft-86ft

Overall

17160

Females

6016

F45-49

6016

20K→HALF

12.4 - 13.1 mi

Top 60%
×2
+19ft-37ft

Overall

17494

Females

6215

F45-49

6215

HALF→25K

13.1 - 15.5 mi

Top 57%
×4
+66ft-88ft

Overall

16503

Females

5718

F45-49

5718

25K→30K

15.5 - 18.6 mi

Top 57%
×9
+181ft-148ft

Overall

16627

Females

5892

F45-49

5892

30K→20M

18.6 - 20.0 mi

Top 62%
×5
+64ft-50ft

Overall

17908

Females

6704

F45-49

6704

20M→21M

20.0 - 21.0 mi

Top 63%
×8
+106ft-24ft

Overall

18322

Females

6961

F45-49

6961

21M→35K

21.0 - 21.8 mi

Top 73%
×7
+17ft-86ft

Overall

21207

Females

8539

F45-49

8539

35K→23M

21.8 - 23.0 mi

Top 79%
×5
+23ft-63ft

Overall

22802

Females

9414

F45-49

9414

23M→24M

23.0 - 24.0 mi

Top 71%
×6
+12ft-82ft

Overall

20697

Females

8392

F45-49

8392

24M→40K

24.0 - 24.9 mi

Top 70%
×1
+6ft-20ft

Overall

20216

Females

8170

F45-49

8170

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1
+13ft-16ft

Overall

24167

Females

10210

F45-49

10210

25.2M→FINISH

25.2 - 26.2 mi

Top 72%
×2
+22ft-21ft

Overall

21038

Females

8592

F45-49

8592

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1976
Passed By
1974
Net Change
+2
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18774
5K → 10K193362-169#18774#18943
10K → 15K34467+277#18943#18666
15K → 20K41120+391#18666#18275
20K → HALF5711+46#18275#18229
HALF → 25K29212+280#18229#17949
25K → 30K35262+290#17949#17659
30K → 20M9293-1#17659#17660
20M → 21M69105-36#17660#17696
21M → 35K29171-142#17696#17838
35K → 23M28470-442#17838#18280
23M → 24M33163-130#18280#18410
24M → 40K35133-98#18410#18508
40K → 25.2M9161-152#18508#18660
25.2M → FINISH32144-112#18660#18772
TOTALS19761974+2
📊

Passing Analysis Visualizations

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

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race 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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing