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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Lucy Shallcross

Bib: 22307 •F •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Top 46%
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
27:11
3.11 mi
Rank: #21441
Start → 5K
27:11 | 8:45/mi
10K
53:50
6.21 mi
Rank: #21125 (+316)
5K → 10K
26:39 | 8:35/mi
15K
1:20:14
9.32 mi
Rank: #20776 (+349)
10K → 15K
26:24 | 8:30/mi
20K
1:46:52
12.43 mi
Rank: #20479 (+297)
15K → 20K
26:38 | 8:35/mi
HALF
1:52:27
13.11 mi
Rank: #20368 (+111)
20K → HALF
5:35 | 8:12/mi
25K
2:13:11
15.53 mi
Rank: #20133 (+235)
HALF → 25K
20:44 | 8:33/mi
30K
2:40:21
18.64 mi
Rank: #19794 (+339)
25K → 30K
27:10 | 8:45/mi
20M
2:52:05
20.00 mi
Rank: #19584 (+210)
30K → 20M
11:44 | 8:39/mi
21M
3:00:51
21.00 mi
Rank: #19313 (+271)
20M → 21M
8:46 | 8:46/mi
35K
3:07:23
21.75 mi
Rank: #19290 (+23)
21M → 35K
6:32 | 8:44/mi
23M
3:18:20
23.00 mi
Rank: #19174 (+116)
35K → 23M
10:57 | 8:45/mi
24M
3:26:38
24.00 mi
Rank: #19005 (+169)
23M → 24M
8:18 | 8:18/mi
40K
3:33:56
24.85 mi
Rank: #18876 (+129)
24M → 40K
7:18 | 8:33/mi
25.2M
3:37:02
25.20 mi
Rank: #18808 (+68)
40K → 25.2M
3:06 | 9:00/mi
FINISH
3:45:05
26.22 mi
Rank: #18644 (+164)
25.2M → FINISH
8:03 | 7:54/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:52:27
Pace8:35 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:52:38
Pace8:36 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:5427:118:4527:11
8:45
-
10K
6.21 mi11:55:3353:508:4026:39
8:35
-0:10
15K
9.32 mi12:21:571:20:148:3726:24
8:30
-0:05
20K
12.43 mi12:48:351:46:528:3626:38
8:35
+0:05
HALF
13.11 mi12:54:101:52:278:355:35
8:12
-0:23
25K
15.53 mi13:14:542:13:118:3520:44
8:33
+0:21
30K
18.64 mi13:42:042:40:218:3727:10
8:45
+0:12
20M
20.00 mi13:53:482:52:058:3711:44
8:39
-0:06
21M
21.00 mi14:02:343:00:518:378:46
8:46
+0:07
35K
21.75 mi14:09:063:07:238:376:32
8:44
-0:02
23M
23.00 mi14:20:033:18:208:3810:57
8:45
+0:01
24M
24.00 mi14:28:213:26:388:378:18
8:18
-0:27
40K
24.85 mi14:35:393:33:568:377:18
8:33
+0:15
25.2M
25.20 mi14:38:453:37:028:373:06
9:00
+0:27
FINISH
26.22 mi14:46:483:45:058:368:03
7:54
-1:06

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

7:54 /mi

Average Pace

8:35 /mi

Slowest Pace

9:00 /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

2:21:23

63% of race

Time at Steady Pace

1:23:42

37% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:35 /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 mi11:28:5427:118:4527:11
8:45
#21441
10K
6.21 mi11:55:3353:508:4026:39
8:35
#21125
15K
9.32 mi12:21:571:20:148:3726:24
8:30
#20776
20K
12.43 mi12:48:351:46:528:3626:38
8:35
#20479
HALF
13.11 mi12:54:101:52:278:355:35
8:12
#20368
25K
15.53 mi13:14:542:13:118:3520:44
8:33
#20133
30K
18.64 mi13:42:042:40:218:3727:10
8:45
#19794
20M
20.00 mi13:53:482:52:058:3711:44
8:39
#19584
21M
21.00 mi14:02:343:00:518:378:46
8:46
#19313
35K
21.75 mi14:09:063:07:238:376:32
8:44
#19290
23M
23.00 mi14:20:033:18:208:3810:57
8:45
#19174
24M
24.00 mi14:28:213:26:388:378:18
8:18
#19005
40K
24.85 mi14:35:393:33:568:377:18
8:33
#18876
25.2M
25.20 mi14:38:453:37:028:373:06
9:00
#18808
FINISH
26.22 mi14:46:483:45:058:368:03
7:54
#18644
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 mi214418412841220140(Top 69%)7666(Top 61%)7666(Top 429%)
10K6.21 mi3.10 mi21125+3168208+2048208+20420779(Top 72%)8016(Top 64%)8016(Top 449%)
15K9.32 mi3.11 mi20776+3498025+1838025+18320140(Top 69%)7666(Top 61%)7666(Top 429%)
20K12.43 mi3.11 mi20479+2977874+1517874+15119719(Top 68%)7474(Top 59%)7474(Top 418%)
HALF13.11 mi0.68 mi20368+1117823+517823+5118408(Top 63%)6720(Top 53%)6720(Top 376%)
25K15.53 mi2.42 mi20133+2357701+1227701+12218893(Top 65%)7063(Top 56%)7063(Top 395%)
30K18.64 mi3.11 mi19794+3397544+1577544+15718285(Top 63%)6830(Top 54%)6830(Top 382%)
20M20.00 mi1.36 mi19584+2107443+1017443+10117048(Top 59%)6234(Top 50%)6234(Top 349%)
21M21.00 mi1.00 mi19313+2717306+1377306+13714834(Top 51%)5066(Top 40%)5066(Top 284%)
35K21.75 mi0.75 mi19290+237305+17305+118802(Top 65%)7313(Top 58%)7313(Top 409%)
23M23.00 mi1.25 mi19174+1167262+437262+4317213(Top 59%)6545(Top 52%)6545(Top 366%)
24M24.00 mi1.00 mi19005+1697192+707192+7015728(Top 54%)5753(Top 46%)5753(Top 322%)
40K24.85 mi0.85 mi18876+1297136+567136+5615963(Top 55%)5956(Top 47%)5956(Top 333%)
25.2M25.20 mi0.35 mi18808+687106+307106+3014793(Top 51%)5362(Top 43%)5362(Top 300%)
FINISH26.22 mi1.02 mi18644+1647029+777029+7714546(Top 50%)5216(Top 41%)5216(Top 292%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21
+97ft-345ft

Overall

20140

Females

7666

F45-49

7666

5K→10K

3.1 - 6.2 mi

Top 72%
×5
+79ft-138ft

Overall

20779

Females

8016

F45-49

8016

10K→15K

6.2 - 9.3 mi

Top 69%
×3
+67ft-78ft

Overall

20140

Females

7666

F45-49

7666

15K→20K

9.3 - 12.4 mi

Top 68%
×5
+106ft-86ft

Overall

19719

Females

7474

F45-49

7474

20K→HALF

12.4 - 13.1 mi

Top 63%
×2
+19ft-37ft

Overall

18408

Females

6720

F45-49

6720

HALF→25K

13.1 - 15.5 mi

Top 65%
×4
+66ft-88ft

Overall

18893

Females

7063

F45-49

7063

25K→30K

15.5 - 18.6 mi

Top 63%
×9
+181ft-148ft

Overall

18285

Females

6830

F45-49

6830

30K→20M

18.6 - 20.0 mi

Top 59%
×5
+64ft-50ft

Overall

17048

Females

6234

F45-49

6234

20M→21M

20.0 - 21.0 mi

Top 51%
×8
+106ft-24ft

Overall

14834

Females

5066

F45-49

5066

21M→35K

21.0 - 21.8 mi

Top 65%
×7
+17ft-86ft

Overall

18802

Females

7313

F45-49

7313

35K→23M

21.8 - 23.0 mi

Top 59%
×5
+23ft-63ft

Overall

17213

Females

6545

F45-49

6545

23M→24M

23.0 - 24.0 mi

Top 54%
×6
+12ft-82ft

Overall

15728

Females

5753

F45-49

5753

24M→40K

24.0 - 24.9 mi

Top 55%
×1
+6ft-20ft

Overall

15963

Females

5956

F45-49

5956

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1
+13ft-16ft

Overall

14793

Females

5362

F45-49

5362

25.2M→FINISH

25.2 - 26.2 mi

Top 50%
×2
+22ft-21ft

Overall

14546

Females

5216

F45-49

5216

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3246*
Passed By
449
Net Change
+2797
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21441
5K → 10K492*176+316#21441#21125
10K → 15K418*69+349#21125#20776
15K → 20K336*39+297#20776#20479
20K → HALF1132+111#20479#20368
HALF → 25K263*28+235#20368#20133
25K → 30K364*25+339#20133#19794
30K → 20M212*2+210#19794#19584
20M → 21M274*3+271#19584#19313
21M → 35K6946+23#19313#19290
35K → 23M14630+116#19290#19174
23M → 24M17910+169#19174#19005
24M → 40K13910+129#19005#18876
40K → 25.2M702+68#18876#18808
25.2M → FINISH1717+164#18808#18644
TOTALS3246*449+2797

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

📊

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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