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BOSTON MARATHON 2025

Erin Hamlin

Bib: 25982•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:51
Rank: #26190
Start → 5K
31:51 | 10:15/mi
10K· 6.21 mi
1:05:07
Rank: #26451 (-261)
5K → 10K
33:16 | 10:42/mi
15K· 9.32 mi
1:37:16
Rank: #26163 (+288)
10K → 15K
32:09 | 10:21/mi
20K· 12.43 mi
2:09:20
Rank: #25801 (+362)
15K → 20K
32:04 | 10:19/mi
Half· 13.11 mi
2:16:15
Rank: #25771 (+30)
20K → Half
6:55 | 10:08/mi
25K· 15.53 mi
2:41:33
Rank: #25510 (+261)
Half → 25K
25:18 | 10:26/mi
30K· 18.64 mi
3:15:14
Rank: #25183 (+327)
25K → 30K
33:41 | 10:50/mi
20M
3:29:32
Rank: #25027 (+156)
30K → 20M
14:18 | 10:31/mi
21M
3:41:21
Rank: #24947 (+80)
20M → 21M
11:49 | 11:49/mi
35K· 21.75 mi
3:49:39
Rank: #24940 (+7)
21M → 35K
8:18 | 11:06/mi
23M
4:03:38
Rank: #24876 (+64)
35K → 23M
13:59 | 11:10/mi
24M
4:14:35
Rank: #24831 (+45)
23M → 24M
10:57 | 10:57/mi
40K· 24.85 mi
4:23:59
Rank: #24782 (+49)
24M → 40K
9:24 | 11:00/mi
25.2M
4:28:01
Rank: #24753 (+29)
40K → 25.2M
4:02 | 11:42/mi
Finish· 26.22 mi
4:37:54
Rank: #24688 (+65)
25.2M → Finish
9:53 | 9:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:16:15
Pace10:24 /mi
2nd Half
Distance13.11 mi
Time2:21:39
Pace10:48 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:0331:5110:1531:51
10:15
-
10K
6.21 mi12:31:191:05:0710:2933:16
10:42
+0:27
15K
9.32 mi13:03:281:37:1610:2632:09
10:21
-0:21
20K
12.43 mi13:35:322:09:2010:2432:04
10:19
-0:02
Half
13.11 mi13:42:272:16:1510:246:55
10:08
-0:11
25K
15.53 mi14:07:452:41:3310:2425:18
10:26
+0:18
30K
18.64 mi14:41:263:15:1410:2833:41
10:50
+0:24
20M
20.00 mi14:55:443:29:3210:2914:18
10:31
-0:19
21M
21.00 mi15:07:333:41:2110:3211:49
11:49
+1:18
35K
21.75 mi15:15:513:49:3910:348:18
11:06
-0:43
23M
23.00 mi15:29:504:03:3810:3613:59
11:10
+0:04
24M
24.00 mi15:40:474:14:3510:3610:57
10:57
-0:13
40K
24.85 mi15:50:114:23:5910:379:24
11:00
+0:03
25.2M
25.20 mi15:54:134:28:0110:384:02
11:42
+0:42
Finish
26.22 mi16:04:064:37:5410:369:53
9:42
-2:00

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

9:42 /mi

Average Pace

10:36 /mi

Slowest Pace

11:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:52

41% of race

Time at Steady Pace

1:57:30

42% of race

Time at Slower Pace

47:32

17% of race

Average Pace: 10:36 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:58:0331:5110:1531:51
10:15
#26190
10K
6.21 mi12:31:191:05:0710:2933:16
10:42
#26451
15K
9.32 mi13:03:281:37:1610:2632:09
10:21
#26163
20K
12.43 mi13:35:322:09:2010:2432:04
10:19
#25801
Half
13.11 mi13:42:272:16:1510:246:55
10:08
#25771
25K
15.53 mi14:07:452:41:3310:2425:18
10:26
#25510
30K
18.64 mi14:41:263:15:1410:2833:41
10:50
#25183
20M
20.00 mi14:55:443:29:3210:2914:18
10:31
#25027
21M
21.00 mi15:07:333:41:2110:3211:49
11:49
#24947
35K
21.75 mi15:15:513:49:3910:348:18
11:06
#24940
23M
23.00 mi15:29:504:03:3810:3613:59
11:10
#24876
24M
24.00 mi15:40:474:14:3510:3610:57
10:57
#24831
40K
24.85 mi15:50:114:23:5910:379:24
11:00
#24782
25.2M
25.20 mi15:54:134:28:0110:384:02
11:42
#24753
Finish
26.22 mi16:04:064:37:5410:369:53
9:42
#24688
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26190108631086325667(Top 90%)10599(Top 87%)10599(Top 194%)
10K6.21 mi3.10 mi26451-26111023-16011023-16026608(Top 94%)11126(Top 91%)11126(Top 203%)
15K9.32 mi3.11 mi26163+28810870+15310870+15325667(Top 90%)10599(Top 87%)10599(Top 194%)
20K12.43 mi3.11 mi25801+36210674+19610674+19624866(Top 88%)10188(Top 83%)10188(Top 186%)
Half13.11 mi0.68 mi25771+3010653+2110653+2125090(Top 88%)10310(Top 84%)10310(Top 189%)
25K15.53 mi2.42 mi25510+26110527+12610527+12624240(Top 85%)9875(Top 81%)9875(Top 181%)
30K18.64 mi3.11 mi25183+32710385+14210385+14223697(Top 83%)9704(Top 79%)9704(Top 177%)
20M20.00 mi1.36 mi25027+15610309+7610309+7622478(Top 79%)9153(Top 75%)9153(Top 167%)
21M21.00 mi1.00 mi24947+8010275+3410275+3423227(Top 82%)9620(Top 79%)9620(Top 176%)
35K21.75 mi0.75 mi24940+710276-110276-124381(Top 86%)10265(Top 84%)10265(Top 188%)
23M23.00 mi1.25 mi24876+6410260+1610260+1623582(Top 83%)9896(Top 81%)9896(Top 181%)
24M24.00 mi1.00 mi24831+4510252+810252+823874(Top 84%)10057(Top 82%)10057(Top 184%)
40K24.85 mi0.85 mi24782+4910240+1210240+1223110(Top 81%)9764(Top 80%)9764(Top 179%)
25.2M25.20 mi0.35 mi24753+2910229+1110229+1122486(Top 79%)9409(Top 77%)9409(Top 172%)
Finish26.22 mi1.02 mi24688+6510200+2910200+2921882(Top 77%)9107(Top 74%)9107(Top 167%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21stories
+97ft-345ft

Overall

25667

Females

10599

F18-39

10599

5K→10K

3.1 - 6.2 mi

Top 94%
×5stories
+79ft-138ft

Overall

26608

Females

11126

F18-39

11126

10K→15K

6.2 - 9.3 mi

Top 90%
×3stories
+67ft-78ft

Overall

25667

Females

10599

F18-39

10599

15K→20K

9.3 - 12.4 mi

Top 88%
×5stories
+106ft-86ft

Overall

24866

Females

10188

F18-39

10188

20K→Half

12.4 - 13.1 mi

Top 88%
×2stories
+19ft-37ft

Overall

25090

Females

10310

F18-39

10310

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

24240

Females

9875

F18-39

9875

25K→30K

15.5 - 18.6 mi

Top 83%
×9stories
+181ft-148ft

Overall

23697

Females

9704

F18-39

9704

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

22478

Females

9153

F18-39

9153

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

23227

Females

9620

F18-39

9620

21M→35K

21.0 - 21.8 mi

Top 86%
×7stories
+17ft-86ft

Overall

24381

Females

10265

F18-39

10265

35K→23M

21.8 - 23.0 mi

Top 83%
×5stories
+23ft-63ft

Overall

23582

Females

9896

F18-39

9896

23M→24M

23.0 - 24.0 mi

Top 84%
×6stories
+12ft-82ft

Overall

23874

Females

10057

F18-39

10057

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

23110

Females

9764

F18-39

9764

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

22486

Females

9409

F18-39

9409

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

21882

Females

9107

F18-39

9107

Passing Analysis

Category:
Athletes Passed
2005
Passed By
503
Net Change
+1502
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26190
5K → 10K84345-261#26190#26451
10K → 15K30214+288#26451#26163
15K → 20K3664+362#26163#25801
20K → Half4010+30#25801#25771
Half → 25K27312+261#25771#25510
25K → 30K34518+327#25510#25183
30K → 20M1615+156#25183#25027
20M → 21M9414+80#25027#24947
21M → 35K3326+7#24947#24940
35K → 23M8319+64#24940#24876
23M → 24M5914+45#24876#24831
24M → 40K6011+49#24831#24782
40K → 25.2M334+29#24782#24753
25.2M → Finish727+65#24753#24688
TOTALS2005503+1502
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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