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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Mackenzie Nichols

Bib: 16672 β€’F β€’Age: N/A

AB

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 42%
Gender (Female)
#0 / 12578
Top 27%
Age Group (F18-39)
#0 / 5716
Top 46%
Race Day Weather
51Β°/41Β°F
overcast clouds
Personalized for Mackenzie

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· 7:24/mi at mile 6.2

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
23:07
3.11 mi
Rank: #12290
Start β†’ 5K
23:07 | 7:27/mi
10K
46:07
6.21 mi
Rank: #12174 (+116)
5K β†’ 10K
23:00 | 7:25/mi
15K
1:09:24
9.32 mi
Rank: #12342 (-168)
10K β†’ 15K
23:17 | 7:30/mi
20K
1:32:44
12.43 mi
Rank: #12266 (+76)
15K β†’ 20K
23:20 | 7:31/mi
HALF
1:37:47
13.11 mi
Rank: #12250 (+16)
20K β†’ HALF
5:03 | 7:25/mi
25K
1:56:31
15.53 mi
Rank: #12402 (-152)
HALF β†’ 25K
18:44 | 7:44/mi
30K
2:20:52
18.64 mi
Rank: #12357 (+45)
25K β†’ 30K
24:21 | 7:51/mi
20M
2:31:32
20.00 mi
Rank: #12299 (+58)
30K β†’ 20M
10:40 | 7:52/mi
21M
2:39:47
21.00 mi
Rank: #12227 (+72)
20M β†’ 21M
8:15 | 8:15/mi
35K
2:45:25
21.75 mi
Rank: #12180 (+47)
21M β†’ 35K
5:38 | 7:32/mi
23M
2:56:19
23.00 mi
Rank: #12488 (-308)
35K β†’ 23M
10:54 | 8:43/mi
24M
3:03:58
24.00 mi
Rank: #12411 (+77)
23M β†’ 24M
7:39 | 7:39/mi
40K
3:10:43
24.85 mi
Rank: #12349 (+62)
24M β†’ 40K
6:45 | 7:54/mi
25.2M
3:13:38
25.20 mi
Rank: #12326 (+23)
40K β†’ 25.2M
2:55 | 8:28/mi
FINISH
3:21:17
26.22 mi
Rank: #12255 (+71)
25.2M β†’ FINISH
7:39 | 7:31/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:37:47
Pace7:28 /mi
2nd Half
Distance13.11 mi
Time1:43:30
Pace7:54 /mi
πŸ“ŠPositive Split: 5.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:4923:077:2723:07
7:27
-
10K
6.21 mi11:47:4946:077:2623:00
7:25
-0:02
15K
9.32 mi12:11:061:09:247:2723:17
7:30
+0:05
20K
12.43 mi12:34:261:32:447:2823:20
7:31
+0:01
HALF
13.11 mi12:39:291:37:477:285:03
7:25
-0:06
25K
15.53 mi12:58:131:56:317:3118:44
7:44
+0:19
30K
18.64 mi13:22:342:20:527:3424:21
7:51
+0:07
20M
20.00 mi13:33:142:31:327:3510:40
7:52
+0:01
21M
21.00 mi13:41:292:39:477:378:15
8:15
+0:23
35K
21.75 mi13:47:072:45:257:375:38
7:32
-0:43
23M
23.00 mi13:58:012:56:197:4010:54
8:43
+1:11
24M
24.00 mi14:05:403:03:587:407:39
7:39
-1:04
40K
24.85 mi14:12:253:10:437:416:45
7:54
+0:15
25.2M
25.20 mi14:15:203:13:387:422:55
8:28
+0:34
FINISH
26.22 mi14:22:593:21:177:417:39
7:31
-0:57

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

7:25 /mi

Average Pace

7:41 /mi

Slowest Pace

8:43 /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

2:59:13

89% of race

Time at Steady Pace

22:04

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:41 /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 mi11:24:4923:077:2723:07
7:27
#12290
10K
6.21 mi11:47:4946:077:2623:00
7:25
#12174
15K
9.32 mi12:11:061:09:247:2723:17
7:30
#12342
20K
12.43 mi12:34:261:32:447:2823:20
7:31
#12266
HALF
13.11 mi12:39:291:37:477:285:03
7:25
#12250
25K
15.53 mi12:58:131:56:317:3118:44
7:44
#12402
30K
18.64 mi13:22:342:20:527:3424:21
7:51
#12357
20M
20.00 mi13:33:142:31:327:3510:40
7:52
#12299
21M
21.00 mi13:41:292:39:477:378:15
8:15
#12227
35K
21.75 mi13:47:072:45:257:375:38
7:32
#12180
23M
23.00 mi13:58:012:56:197:4010:54
8:43
#12488
24M
24.00 mi14:05:403:03:587:407:39
7:39
#12411
40K
24.85 mi14:12:253:10:437:416:45
7:54
#12349
25.2M
25.20 mi14:15:203:13:387:422:55
8:28
#12326
FINISH
26.22 mi14:22:593:21:177:417:39
7:31
#12255
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 mi122903087308712771(Top 44%)3433(Top 27%)3433(Top 60%)
10K6.21 mi3.10 mi12174+1163038+493038+4912119(Top 42%)3031(Top 24%)3031(Top 53%)
15K9.32 mi3.11 mi12342-1683151-1133151-11312771(Top 44%)3433(Top 27%)3433(Top 60%)
20K12.43 mi3.11 mi12266+763142+93142+912078(Top 42%)3152(Top 25%)3152(Top 55%)
HALF13.11 mi0.68 mi12250+163137+53137+512279(Top 42%)3184(Top 25%)3184(Top 56%)
25K15.53 mi2.42 mi12402-1523256-1193256-11913248(Top 46%)3865(Top 31%)3865(Top 68%)
30K18.64 mi3.11 mi12357+453283-273283-2712254(Top 42%)3450(Top 27%)3450(Top 60%)
20M20.00 mi1.36 mi12299+583275+83275+811760(Top 41%)3277(Top 26%)3277(Top 57%)
21M21.00 mi1.00 mi12227+723256+193256+1911560(Top 40%)3285(Top 26%)3285(Top 57%)
35K21.75 mi0.75 mi12180+473239+173239+1711151(Top 38%)3085(Top 25%)3085(Top 54%)
23M23.00 mi1.25 mi12488-3083455-2163455-21616963(Top 58%)6407(Top 51%)6407(Top 112%)
24M24.00 mi1.00 mi12411+773432+233432+2311222(Top 39%)3286(Top 26%)3286(Top 57%)
40K24.85 mi0.85 mi12349+623417+153417+1511771(Top 41%)3652(Top 29%)3652(Top 64%)
25.2M25.20 mi0.35 mi12326+233413+43413+411404(Top 39%)3560(Top 28%)3560(Top 62%)
FINISH26.22 mi1.02 mi12255+713403+103403+1011492(Top 40%)3599(Top 29%)3599(Top 63%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
Γ—21
+97ft-345ft

Overall

12771

Females

3433

F18-39

3433

5K→10K

3.1 - 6.2 mi

Top 42%
Γ—5
+79ft-138ft

Overall

12119

Females

3031

F18-39

3031

10K→15K

6.2 - 9.3 mi

Top 44%
Γ—3
+67ft-78ft

Overall

12771

Females

3433

F18-39

3433

15K→20K

9.3 - 12.4 mi

Top 42%
Γ—5
+106ft-86ft

Overall

12078

Females

3152

F18-39

3152

20K→HALF

12.4 - 13.1 mi

Top 42%
Γ—2
+19ft-37ft

Overall

12279

Females

3184

F18-39

3184

HALF→25K

13.1 - 15.5 mi

Top 46%
Γ—4
+66ft-88ft

Overall

13248

Females

3865

F18-39

3865

25K→30K

15.5 - 18.6 mi

Top 42%
Γ—9
+181ft-148ft

Overall

12254

Females

3450

F18-39

3450

30K→20M

18.6 - 20.0 mi

Top 41%
Γ—5
+64ft-50ft

Overall

11760

Females

3277

F18-39

3277

20M→21M

20.0 - 21.0 mi

Top 40%
Γ—8
+106ft-24ft

Overall

11560

Females

3285

F18-39

3285

21M→35K

21.0 - 21.8 mi

Top 38%
Γ—7
+17ft-86ft

Overall

11151

Females

3085

F18-39

3085

35K→23M

21.8 - 23.0 mi

Top 58%
Γ—5
+23ft-63ft

Overall

16963

Females

6407

F18-39

6407

23M→24M

23.0 - 24.0 mi

Top 39%
Γ—6
+12ft-82ft

Overall

11222

Females

3286

F18-39

3286

24M→40K

24.0 - 24.9 mi

Top 41%
Γ—1
+6ft-20ft

Overall

11771

Females

3652

F18-39

3652

40K→25.2M

24.9 - 25.2 mi

Top 39%
Γ—1
+13ft-16ft

Overall

11404

Females

3560

F18-39

3560

25.2M→FINISH

25.2 - 26.2 mi

Top 40%
Γ—2
+22ft-21ft

Overall

11492

Females

3599

F18-39

3599

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1682*
Passed By
1377
Net Change
+35
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#12290
5K β†’ 10K316*200+116#12290#12174
10K β†’ 15K122200-168#12174#12342
15K β†’ 20K209*133+76#12342#12266
20K β†’ HALF3620+16#12266#12250
HALF β†’ 25K86200-152#12250#12402
25K β†’ 30K208*163+45#12402#12357
30K β†’ 20M11860+58#12357#12299
20M β†’ 21M12351+72#12299#12227
21M β†’ 35K6922+47#12227#12180
35K β†’ 23M34200-308#12180#12488
23M β†’ 24M10831+77#12488#12411
24M β†’ 40K9735+62#12411#12349
40K β†’ 25.2M5330+23#12349#12326
25.2M β†’ FINISH10332+71#12326#12255
TOTALS1682*1377+35

* Includes athletes who did not complete a segment (DNF/DNQ).

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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Activity Data

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