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BOSTON MARATHON 2025

Millicent Dethy

Bib: 13901•F

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 20%
Gender (Female)
#0 / 12228
Top 5%
Division (F18-39)
#0 / 5469
Top 9%
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
7:02/mi
21:51
↑ 97↓ 3451.5%
10K· 6.21 mi
7:04/mi
43:47
↑ 79↓ 1380.4%
15K· 9.32 mi
7:05/mi
1:05:46
↑ 67↓ 78
20K· 12.43 mi
7:05/mi
1:27:45
↑ 106↓ 860.1%
Half· 13.11 mi
6:49/mi
1:32:24
↑ 19↓ 370.5%
25K· 15.53 mi
6:56/mi
1:49:12
↑ 66↓ 880.2%
30K· 18.64 mi
7:04/mi
2:11:10
↑ 181↓ 1480.2%
20M
7:08/mi
2:20:52
↑ 64↓ 500.2%
21M
7:21/mi
2:28:13
↑ 106↓ 241.6%
35K· 21.75 mi
6:54/mi
2:33:23
↑ 17↓ 861.7%
23M
7:04/mi
2:42:14
↑ 23↓ 630.6%
24M
6:48/mi
2:49:02
↓ 821.3%
40K· 24.85 mi
6:52/mi
2:54:54
↓ 200.3%
25.2M
7:21/mi
2:57:26
↑ 13↓ 160.2%
Finish· 26.22 mi
6:35/mi
3:04:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:32:24
Pace7:03 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:31:45
Pace7:00 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1821:517:0221:51
7:02
-
10K
6.21 mi11:13:1443:477:0321:56
7:04
+0:02
15K
9.32 mi11:35:131:05:467:0321:59
7:05
+0:01
20K
12.43 mi11:57:121:27:457:0421:59
7:05
0:00
Half
13.11 mi12:01:511:32:247:034:39
6:49
-0:16
25K
15.53 mi12:18:391:49:127:0216:48
6:56
+0:07
30K
18.64 mi12:40:372:11:107:0221:58
7:04
+0:08
20M
20.00 mi12:50:192:20:527:039:42
7:08
+0:04
21M
21.00 mi12:57:402:28:137:037:21
7:21
+0:13
35K
21.75 mi13:02:502:33:237:035:10
6:54
-0:27
23M
23.00 mi13:11:412:42:147:038:51
7:04
+0:10
24M
24.00 mi13:18:292:49:027:036:48
6:48
-0:16
40K
24.85 mi13:24:212:54:547:025:52
6:52
+0:04
25.2M
25.20 mi13:26:532:57:267:022:32
7:21
+0:29
Finish
26.22 mi13:33:363:04:097:026:43
6:35
-0:46

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

6:35 /mi

Average Pace

7:02 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:54:16

95% of race

Time at Steady Pace

9:53

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:01 /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 mi10:51:1821:517:0221:51
7:02
#8087
10K
6.21 mi11:13:1443:477:0321:56
7:04
#8228
15K
9.32 mi11:35:131:05:467:0321:59
7:05
#8169
20K
12.43 mi11:57:121:27:457:0421:59
7:05
#7901
Half
13.11 mi12:01:511:32:247:034:39
6:49
#7815
25K
15.53 mi12:18:391:49:127:0216:48
6:56
#7449
30K
18.64 mi12:40:372:11:107:0221:58
7:04
#6900
20M
20.00 mi12:50:192:20:527:039:42
7:08
#6669
21M
21.00 mi12:57:402:28:137:037:21
7:21
#6424
35K
21.75 mi13:02:502:33:237:035:10
6:54
#6337
23M
23.00 mi13:11:412:42:147:038:51
7:04
#6139
24M
24.00 mi13:18:292:49:027:036:48
6:48
#5973
40K
24.85 mi13:24:212:54:547:025:52
6:52
#5802
25.2M
25.20 mi13:26:532:57:267:022:32
7:21
#5709
Finish
26.22 mi13:33:363:04:097:026:43
6:35
#5562
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8087100810088171(Top 29%)1097(Top 9%)1097(Top 20%)
10K6.21 mi3.10 mi8228-1411077-691077-698363(Top 29%)1127(Top 9%)1127(Top 21%)
15K9.32 mi3.11 mi8169+591068+91068+98171(Top 29%)1097(Top 9%)1097(Top 20%)
20K12.43 mi3.11 mi7901+268990+78990+787381(Top 26%)884(Top 7%)884(Top 16%)
Half13.11 mi0.68 mi7815+86957+33957+336346(Top 22%)608(Top 5%)608(Top 11%)
25K15.53 mi2.42 mi7449+366852+105852+1055869(Top 21%)566(Top 5%)566(Top 10%)
30K18.64 mi3.11 mi6900+549752+100752+1005161(Top 18%)478(Top 4%)478(Top 9%)
20M20.00 mi1.36 mi6669+231719+33719+334898(Top 17%)479(Top 4%)479(Top 9%)
21M21.00 mi1.00 mi6424+245674+45674+453901(Top 14%)350(Top 3%)350(Top 6%)
35K21.75 mi0.75 mi6337+87667+7667+74817(Top 17%)555(Top 5%)555(Top 10%)
23M23.00 mi1.25 mi6139+198640+27640+274195(Top 15%)452(Top 4%)452(Top 8%)
24M24.00 mi1.00 mi5973+166616+24616+243555(Top 13%)364(Top 3%)364(Top 7%)
40K24.85 mi0.85 mi5802+171593+23593+233207(Top 11%)332(Top 3%)332(Top 6%)
25.2M25.20 mi0.35 mi5709+93579+14579+142828(Top 10%)304(Top 2%)304(Top 6%)
Finish26.22 mi1.02 mi5562+147557+22557+223328(Top 12%)395(Top 3%)395(Top 7%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21story building
+97ft-345ft

Overall

8171

Females

1097

F18-39

1097

5K→10K

3.1 - 6.2 mi

Top 29%
×5story building
+79ft-138ft

Overall

8363

Females

1127

F18-39

1127

10K→15K

6.2 - 9.3 mi

Top 29%
×3story building
+67ft-78ft

Overall

8171

Females

1097

F18-39

1097

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

7381

Females

884

F18-39

884

20K→Half

12.4 - 13.1 mi

Top 22%
×2story building
+19ft-37ft

Overall

6346

Females

608

F18-39

608

Half→25K

13.1 - 15.5 mi

Top 21%
×4story building
+66ft-88ft

Overall

5869

Females

566

F18-39

566

25K→30K

15.5 - 18.6 mi

Top 18%
×9story building
+181ft-148ft

Overall

5161

Females

478

F18-39

478

30K→20M

18.6 - 20.0 mi

Top 17%
×5story building
+64ft-50ft

Overall

4898

Females

479

F18-39

479

20M→21M

20.0 - 21.0 mi

Top 14%
×8story building
+106ft-24ft

Overall

3901

Females

350

F18-39

350

21M→35K

21.0 - 21.8 mi

Top 17%
×7story building
+17ft-86ft

Overall

4817

Females

555

F18-39

555

35K→23M

21.8 - 23.0 mi

Top 15%
×5story building
+23ft-63ft

Overall

4195

Females

452

F18-39

452

23M→24M

23.0 - 24.0 mi

Top 13%
×6story building
+12ft-82ft

Overall

3555

Females

364

F18-39

364

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3207

Females

332

F18-39

332

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2828

Females

304

F18-39

304

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2story building
+22ft-21ft

Overall

3328

Females

395

F18-39

395

Passing Analysis

Category:
Athletes Passed
3005
Passed By
480
Net Change
+2525
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8087
5K → 10K161302-141#8087#8228
10K → 15K173114+59#8228#8169
15K → 20K29628+268#8169#7901
20K → Half871+86#7901#7815
Half → 25K3693+366#7815#7449
25K → 30K5534+549#7449#6900
30K → 20M2332+231#6900#6669
20M → 21M2494+245#6669#6424
21M → 35K936+87#6424#6337
35K → 23M2057+198#6337#6139
23M → 24M1671+166#6139#5973
24M → 40K1754+171#5973#5802
40K → 25.2M930+93#5802#5709
25.2M → Finish1514+147#5709#5562
TOTALS3005480+2525
📊

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