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BOSTON MARATHON 2025

Emma Lynch

Bib: 28103•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 48%
Gender (Female)
#0 / 12228
Top 33%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:28/mi
26:18
↑ 97↓ 3451.5%
10K· 6.21 mi
7:55/mi
50:55
↑ 79↓ 1380.4%
15K· 9.32 mi
7:45/mi
1:15:01
↑ 67↓ 78
20K· 12.43 mi
7:54/mi
1:39:34
↑ 106↓ 860.1%
Half· 13.11 mi
7:55/mi
1:44:58
↑ 19↓ 370.5%
25K· 15.53 mi
7:58/mi
2:04:18
↑ 66↓ 880.2%
30K· 18.64 mi
8:09/mi
2:29:37
↑ 181↓ 1480.2%
20M
8:11/mi
2:40:44
↑ 64↓ 500.2%
21M
8:31/mi
2:49:15
↑ 106↓ 241.6%
35K· 21.75 mi
8:01/mi
2:55:15
↑ 17↓ 861.7%
23M
8:16/mi
3:05:36
↑ 23↓ 630.6%
24M
8:07/mi
3:13:43
↓ 821.3%
40K· 24.85 mi
8:03/mi
3:20:36
↓ 200.3%
25.2M
8:42/mi
3:23:36
↑ 13↓ 160.2%
Finish· 26.22 mi
7:28/mi
3:31:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:58
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time1:46:15
Pace8:06 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:3626:188:2826:18
8:28
-
10K
6.21 mi12:11:1350:558:1224:37
7:55
-0:33
15K
9.32 mi12:35:191:15:018:0324:06
7:45
-0:10
20K
12.43 mi12:59:521:39:348:0124:33
7:54
+0:09
Half
13.11 mi13:05:161:44:588:005:24
7:55
+0:01
25K
15.53 mi13:24:362:04:188:0019:20
7:58
+0:03
30K
18.64 mi13:49:552:29:378:0225:19
8:09
+0:11
20M
20.00 mi14:01:022:40:448:0211:07
8:11
+0:02
21M
21.00 mi14:09:332:49:158:048:31
8:31
+0:20
35K
21.75 mi14:15:332:55:158:036:00
8:01
-0:30
23M
23.00 mi14:25:543:05:368:0410:21
8:16
+0:15
24M
24.00 mi14:34:013:13:438:048:07
8:07
-0:09
40K
24.85 mi14:40:543:20:368:046:53
8:03
-0:04
25.2M
25.20 mi14:43:543:23:368:053:00
8:42
+0:39
Finish
26.22 mi14:51:313:31:138:047:37
7:28
-1:14

Checkpoints & Pacing

📈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

7:28 /mi

Average Pace

8:04 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:03

77% of race

Time at Steady Pace

48:10

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:03 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:46:3626:188:2826:18
8:28
#19676
10K
6.21 mi12:11:1350:558:1224:37
7:55
#17948
15K
9.32 mi12:35:191:15:018:0324:06
7:45
#16691
20K
12.43 mi12:59:521:39:348:0124:33
7:54
#16022
Half
13.11 mi13:05:161:44:588:005:24
7:55
#15981
25K
15.53 mi13:24:362:04:188:0019:20
7:58
#15553
30K
18.64 mi13:49:552:29:378:0225:19
8:09
#14936
20M
20.00 mi14:01:022:40:448:0211:07
8:11
#14640
21M
21.00 mi14:09:332:49:158:048:31
8:31
#14352
35K
21.75 mi14:15:332:55:158:036:00
8:01
#14270
23M
23.00 mi14:25:543:05:368:0410:21
8:16
#14108
24M
24.00 mi14:34:013:13:438:048:07
8:07
#13989
40K
24.85 mi14:40:543:20:368:046:53
8:03
#13812
25.2M
25.20 mi14:43:543:23:368:053:00
8:42
#13727
Finish
26.22 mi14:51:313:31:138:047:37
7:28
#13542
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi196767306730614009(Top 49%)4021(Top 33%)4021(Top 74%)
10K6.21 mi3.10 mi17948+17286292+10146292+101415852(Top 56%)5036(Top 41%)5036(Top 92%)
15K9.32 mi3.11 mi16691+12575538+7545538+75414009(Top 49%)4021(Top 33%)4021(Top 74%)
20K12.43 mi3.11 mi16022+6695163+3755163+37514111(Top 50%)4156(Top 34%)4156(Top 76%)
Half13.11 mi0.68 mi15981+415136+275136+2715237(Top 54%)4734(Top 39%)4734(Top 87%)
25K15.53 mi2.42 mi15553+4284916+2204916+22013693(Top 48%)4053(Top 33%)4053(Top 74%)
30K18.64 mi3.11 mi14936+6174635+2814635+28112449(Top 44%)3534(Top 29%)3534(Top 65%)
20M20.00 mi1.36 mi14640+2964493+1424493+14211719(Top 41%)3317(Top 27%)3317(Top 61%)
21M21.00 mi1.00 mi14352+2884352+1414352+14110628(Top 37%)2931(Top 24%)2931(Top 54%)
35K21.75 mi0.75 mi14270+824327+254327+2512436(Top 44%)3871(Top 32%)3871(Top 71%)
23M23.00 mi1.25 mi14108+1624288+394288+3911857(Top 42%)3668(Top 30%)3668(Top 67%)
24M24.00 mi1.00 mi13989+1194258+304258+3012054(Top 42%)3833(Top 31%)3833(Top 70%)
40K24.85 mi0.85 mi13812+1774189+694189+6910604(Top 37%)3228(Top 26%)3228(Top 59%)
25.2M25.20 mi0.35 mi13727+854151+384151+3810120(Top 36%)3107(Top 25%)3107(Top 57%)
Finish26.22 mi1.02 mi13542+1854064+874064+879057(Top 32%)2575(Top 21%)2575(Top 47%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

14009

Females

4021

F18-39

4021

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

15852

Females

5036

F18-39

5036

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

14009

Females

4021

F18-39

4021

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

14111

Females

4156

F18-39

4156

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

15237

Females

4734

F18-39

4734

Half→25K

13.1 - 15.5 mi

Top 48%
×4story building
+66ft-88ft

Overall

13693

Females

4053

F18-39

4053

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

12449

Females

3534

F18-39

3534

30K→20M

18.6 - 20.0 mi

Top 41%
×5story building
+64ft-50ft

Overall

11719

Females

3317

F18-39

3317

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

10628

Females

2931

F18-39

2931

21M→35K

21.0 - 21.8 mi

Top 44%
×7story building
+17ft-86ft

Overall

12436

Females

3871

F18-39

3871

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11857

Females

3668

F18-39

3668

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

12054

Females

3833

F18-39

3833

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10604

Females

3228

F18-39

3228

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

10120

Females

3107

F18-39

3107

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

9057

Females

2575

F18-39

2575

Passing Analysis

Category:
Athletes Passed
6339
Passed By
205
Net Change
+6134
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19676
5K → 10K173911+1728#19676#17948
10K → 15K12603+1257#17948#16691
15K → 20K68213+669#16691#16022
20K → Half5716+41#16022#15981
Half → 25K4379+428#15981#15553
25K → 30K63619+617#15553#14936
30K → 20M30812+296#14936#14640
20M → 21M2946+288#14640#14352
21M → 35K10624+82#14352#14270
35K → 23M19937+162#14270#14108
23M → 24M14829+119#14108#13989
24M → 40K19518+177#13989#13812
40K → 25.2M861+85#13812#13727
25.2M → Finish1927+185#13727#13542
TOTALS6339205+6134
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing