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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Erin Gerrity

Bib: 31450 •F •Age: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 46%
Age Group (F18-39)
#0 / 5716
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
25:36
3.11 mi
Rank: #18477
Start → 5K
25:36 | 8:15/mi
10K
50:48
6.21 mi
Rank: #18251 (+226)
5K → 10K
25:12 | 8:07/mi
15K
1:15:44
9.32 mi
Rank: #17916 (+335)
10K → 15K
24:56 | 8:02/mi
20K
1:40:41
12.43 mi
Rank: #17525 (+391)
15K → 20K
24:57 | 8:02/mi
HALF
1:46:04
13.11 mi
Rank: #17483 (+42)
20K → HALF
5:23 | 7:54/mi
25K
2:05:38
15.53 mi
Rank: #17186 (+297)
HALF → 25K
19:34 | 8:05/mi
30K
2:31:31
18.64 mi
Rank: #16902 (+284)
25K → 30K
25:53 | 8:20/mi
20M
2:43:06
20.00 mi
Rank: #16846 (+56)
30K → 20M
11:35 | 8:32/mi
21M
2:52:11
21.00 mi
Rank: #16793 (+53)
20M → 21M
9:05 | 9:05/mi
35K
2:58:24
21.75 mi
Rank: #16761 (+32)
21M → 35K
6:13 | 8:19/mi
23M
3:09:01
23.00 mi
Rank: #16675 (+86)
35K → 23M
10:37 | 8:30/mi
24M
3:17:06
24.00 mi
Rank: #16541 (+134)
23M → 24M
8:05 | 8:05/mi
40K
3:24:09
24.85 mi
Rank: #16429 (+112)
24M → 40K
7:03 | 8:15/mi
25.2M
3:27:14
25.20 mi
Rank: #16379 (+50)
40K → 25.2M
3:05 | 8:57/mi
FINISH
3:35:24
26.22 mi
Rank: #16330 (+49)
25.2M → FINISH
8:10 | 8:01/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:46:04
Pace8:06 /mi
2nd Half
Distance13.11 mi
Time1:49:20
Pace8:21 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:0625:368:1525:36
8:15
-
10K
6.21 mi12:17:1850:488:1125:12
8:07
-0:08
15K
9.32 mi12:42:141:15:448:0824:56
8:02
-0:05
20K
12.43 mi13:07:111:40:418:0724:57
8:02
0:00
HALF
13.11 mi13:12:341:46:048:065:23
7:54
-0:08
25K
15.53 mi13:32:082:05:388:0619:34
8:05
+0:11
30K
18.64 mi13:58:012:31:318:0825:53
8:20
+0:15
20M
20.00 mi14:09:362:43:068:1011:35
8:32
+0:12
21M
21.00 mi14:18:412:52:118:129:05
9:05
+0:33
35K
21.75 mi14:24:542:58:248:136:13
8:19
-0:46
23M
23.00 mi14:35:313:09:018:1410:37
8:30
+0:11
24M
24.00 mi14:43:363:17:068:138:05
8:05
-0:25
40K
24.85 mi14:50:393:24:098:137:03
8:15
+0:10
25.2M
25.20 mi14:53:443:27:148:143:05
8:57
+0:42
FINISH
26.22 mi15:01:543:35:248:148:10
8:01
-0:56

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

8:13 /mi

Slowest Pace

9:05 /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

3:23:14

94% of race

Time at Steady Pace

12:10

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:13 /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 mi11:52:0625:368:1525:36
8:15
#18477
10K
6.21 mi12:17:1850:488:1125:12
8:07
#18251
15K
9.32 mi12:42:141:15:448:0824:56
8:02
#17916
20K
12.43 mi13:07:111:40:418:0724:57
8:02
#17525
HALF
13.11 mi13:12:341:46:048:065:23
7:54
#17483
25K
15.53 mi13:32:082:05:388:0619:34
8:05
#17186
30K
18.64 mi13:58:012:31:318:0825:53
8:20
#16902
20M
20.00 mi14:09:362:43:068:1011:35
8:32
#16846
21M
21.00 mi14:18:412:52:118:129:05
9:05
#16793
35K
21.75 mi14:24:542:58:248:136:13
8:19
#16761
23M
23.00 mi14:35:313:09:018:1410:37
8:30
#16675
24M
24.00 mi14:43:363:17:068:138:05
8:05
#16541
40K
24.85 mi14:50:393:24:098:137:03
8:15
#16429
25.2M
25.20 mi14:53:443:27:148:143:05
8:57
#16379
FINISH
26.22 mi15:01:543:35:248:148:10
8:01
#16330
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 mi184776779677917213(Top 59%)6027(Top 48%)6027(Top 105%)
10K6.21 mi3.10 mi18251+2266637+1426637+14218050(Top 62%)6509(Top 52%)6509(Top 114%)
15K9.32 mi3.11 mi17916+3356444+1936444+19317213(Top 59%)6027(Top 48%)6027(Top 105%)
20K12.43 mi3.11 mi17525+3916228+2166228+21616346(Top 56%)5577(Top 44%)5577(Top 98%)
HALF13.11 mi0.68 mi17483+426202+266202+2616361(Top 56%)5549(Top 44%)5549(Top 97%)
25K15.53 mi2.42 mi17186+2976036+1666036+16615918(Top 55%)5376(Top 43%)5376(Top 94%)
30K18.64 mi3.11 mi16902+2845905+1315905+13115838(Top 55%)5432(Top 43%)5432(Top 95%)
20M20.00 mi1.36 mi16846+565886+195886+1916382(Top 56%)5851(Top 47%)5851(Top 102%)
21M21.00 mi1.00 mi16793+535882+45882+416577(Top 57%)6010(Top 48%)6010(Top 105%)
35K21.75 mi0.75 mi16761+325877+55877+516502(Top 57%)6026(Top 48%)6026(Top 105%)
23M23.00 mi1.25 mi16675+865852+255852+2515625(Top 54%)5621(Top 45%)5621(Top 98%)
24M24.00 mi1.00 mi16541+1345796+565796+5614345(Top 49%)4989(Top 40%)4989(Top 87%)
40K24.85 mi0.85 mi16429+1125764+325764+3214126(Top 49%)4953(Top 39%)4953(Top 87%)
25.2M25.20 mi0.35 mi16379+505743+215743+2114443(Top 50%)5135(Top 41%)5135(Top 90%)
FINISH26.22 mi1.02 mi16330+495738+55738+515280(Top 53%)5577(Top 44%)5577(Top 98%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21
+97ft-345ft

Overall

17213

Females

6027

F18-39

6027

5K→10K

3.1 - 6.2 mi

Top 62%
×5
+79ft-138ft

Overall

18050

Females

6509

F18-39

6509

10K→15K

6.2 - 9.3 mi

Top 59%
×3
+67ft-78ft

Overall

17213

Females

6027

F18-39

6027

15K→20K

9.3 - 12.4 mi

Top 56%
×5
+106ft-86ft

Overall

16346

Females

5577

F18-39

5577

20K→HALF

12.4 - 13.1 mi

Top 56%
×2
+19ft-37ft

Overall

16361

Females

5549

F18-39

5549

HALF→25K

13.1 - 15.5 mi

Top 55%
×4
+66ft-88ft

Overall

15918

Females

5376

F18-39

5376

25K→30K

15.5 - 18.6 mi

Top 55%
×9
+181ft-148ft

Overall

15838

Females

5432

F18-39

5432

30K→20M

18.6 - 20.0 mi

Top 56%
×5
+64ft-50ft

Overall

16382

Females

5851

F18-39

5851

20M→21M

20.0 - 21.0 mi

Top 57%
×8
+106ft-24ft

Overall

16577

Females

6010

F18-39

6010

21M→35K

21.0 - 21.8 mi

Top 57%
×7
+17ft-86ft

Overall

16502

Females

6026

F18-39

6026

35K→23M

21.8 - 23.0 mi

Top 54%
×5
+23ft-63ft

Overall

15625

Females

5621

F18-39

5621

23M→24M

23.0 - 24.0 mi

Top 49%
×6
+12ft-82ft

Overall

14345

Females

4989

F18-39

4989

24M→40K

24.0 - 24.9 mi

Top 49%
×1
+6ft-20ft

Overall

14126

Females

4953

F18-39

4953

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1
+13ft-16ft

Overall

14443

Females

5135

F18-39

5135

25.2M→FINISH

25.2 - 26.2 mi

Top 53%
×2
+22ft-21ft

Overall

15280

Females

5577

F18-39

5577

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2791*
Passed By
644
Net Change
+2147
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18477
5K → 10K412*186+226#18477#18251
10K → 15K391*56+335#18251#17916
15K → 20K419*28+391#17916#17525
20K → HALF5513+42#17525#17483
HALF → 25K316*19+297#17483#17186
25K → 30K340*56+284#17186#16902
30K → 20M11963+56#16902#16846
20M → 21M10754+53#16846#16793
21M → 35K7038+32#16793#16761
35K → 23M13347+86#16761#16675
23M → 24M15016+134#16675#16541
24M → 40K12715+112#16541#16429
40K → 25.2M6111+50#16429#16379
25.2M → FINISH9142+49#16379#16330
TOTALS2791*644+2147

* 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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

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