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BOSTON MARATHON 2025

Dana Le

Bib: 26957•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 43%
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
9:09/mi
28:26
↑ 97↓ 3451.5%
10K· 6.21 mi
8:36/mi
55:09
↑ 79↓ 1380.4%
15K· 9.32 mi
8:10/mi
1:20:31
↑ 67↓ 78
20K· 12.43 mi
8:21/mi
1:46:26
↑ 106↓ 860.1%
Half· 13.11 mi
8:12/mi
1:52:02
↑ 19↓ 370.5%
25K· 15.53 mi
8:16/mi
2:12:04
↑ 66↓ 880.2%
30K· 18.64 mi
8:25/mi
2:38:14
↑ 181↓ 1480.2%
20M
8:24/mi
2:49:39
↑ 64↓ 500.2%
21M
8:36/mi
2:58:15
↑ 106↓ 241.6%
35K· 21.75 mi
7:56/mi
3:04:11
↑ 17↓ 861.7%
23M
8:16/mi
3:14:32
↑ 23↓ 630.6%
24M
7:52/mi
3:22:24
↓ 821.3%
40K· 24.85 mi
7:50/mi
3:29:06
↓ 200.3%
25.2M
8:25/mi
3:32:00
↑ 13↓ 160.2%
Finish· 26.22 mi
7:30/mi
3:39:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:52:02
Pace8:33 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:47:37
Pace8:13 /mi
📊Negative Split: 3.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:1428:269:0928:26
9:09
-
10K
6.21 mi12:20:5755:098:5326:43
8:36
-0:33
15K
9.32 mi12:46:191:20:318:3825:22
8:10
-0:26
20K
12.43 mi13:12:141:46:268:3425:55
8:21
+0:11
Half
13.11 mi13:17:501:52:028:335:36
8:12
-0:09
25K
15.53 mi13:37:522:12:048:3020:02
8:16
+0:04
30K
18.64 mi14:04:022:38:148:2926:10
8:25
+0:09
20M
20.00 mi14:15:272:49:398:2911:25
8:24
-0:01
21M
21.00 mi14:24:032:58:158:298:36
8:36
+0:12
35K
21.75 mi14:29:593:04:118:285:56
7:56
-0:40
23M
23.00 mi14:40:203:14:328:2710:21
8:16
+0:20
24M
24.00 mi14:48:123:22:248:267:52
7:52
-0:24
40K
24.85 mi14:54:543:29:068:256:42
7:50
-0:02
25.2M
25.20 mi14:57:483:32:008:252:54
8:25
+0:35
Finish
26.22 mi15:05:273:39:398:237:39
7:30
-0:55

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

7:30 /mi

Average Pace

8:23 /mi

Slowest Pace

9:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

28:09

13% of race

Time at Steady Pace

2:07:45

58% of race

Time at Slower Pace

1:03:45

29% of race

Average Pace: 8:23 /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 mi11:54:1428:269:0928:26
9:09
#23044
10K
6.21 mi12:20:5755:098:5326:43
8:36
#21845
15K
9.32 mi12:46:191:20:318:3825:22
8:10
#20415
20K
12.43 mi13:12:141:46:268:3425:55
8:21
#19677
Half
13.11 mi13:17:501:52:028:335:36
8:12
#19564
25K
15.53 mi13:37:522:12:048:3020:02
8:16
#18903
30K
18.64 mi14:04:022:38:148:2926:10
8:25
#18029
20M
20.00 mi14:15:272:49:398:2911:25
8:24
#17655
21M
21.00 mi14:24:032:58:158:298:36
8:36
#17286
35K
21.75 mi14:29:593:04:118:285:56
7:56
#17061
23M
23.00 mi14:40:203:14:328:2710:21
8:16
#16738
24M
24.00 mi14:48:123:22:248:267:52
7:52
#16435
40K
24.85 mi14:54:543:29:068:256:42
7:50
#16159
25.2M
25.20 mi14:57:483:32:008:252:54
8:25
#16025
Finish
26.22 mi15:05:273:39:398:237:39
7:30
#15780
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi230449192919217175(Top 60%)5831(Top 48%)5831(Top 107%)
10K6.21 mi3.10 mi21845+11998517+6758517+67520348(Top 72%)7660(Top 63%)7660(Top 140%)
15K9.32 mi3.11 mi20415+14307708+8097708+80917175(Top 60%)5831(Top 48%)5831(Top 107%)
20K12.43 mi3.11 mi19677+7387288+4207288+42017173(Top 60%)5868(Top 48%)5868(Top 107%)
Half13.11 mi0.68 mi19564+1137226+627226+6217340(Top 61%)5939(Top 49%)5939(Top 109%)
25K15.53 mi2.42 mi18903+6616864+3626864+36215692(Top 55%)5126(Top 42%)5126(Top 94%)
30K18.64 mi3.11 mi18029+8746414+4506414+45014289(Top 50%)4531(Top 37%)4531(Top 83%)
20M20.00 mi1.36 mi17655+3746238+1766238+17613204(Top 46%)4096(Top 33%)4096(Top 75%)
21M21.00 mi1.00 mi17286+3696045+1936045+19311146(Top 39%)3186(Top 26%)3186(Top 58%)
35K21.75 mi0.75 mi17061+2255942+1035942+10311843(Top 42%)3582(Top 29%)3582(Top 65%)
23M23.00 mi1.25 mi16738+3235774+1685774+16811874(Top 42%)3685(Top 30%)3685(Top 67%)
24M24.00 mi1.00 mi16435+3035630+1445630+14410381(Top 37%)3003(Top 25%)3003(Top 55%)
40K24.85 mi0.85 mi16159+2765489+1415489+1419102(Top 32%)2523(Top 21%)2523(Top 46%)
25.2M25.20 mi0.35 mi16025+1345432+575432+578401(Top 30%)2281(Top 19%)2281(Top 42%)
Finish26.22 mi1.02 mi15780+2455319+1135319+1139293(Top 33%)2680(Top 22%)2680(Top 49%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

17175

Females

5831

F18-39

5831

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

20348

Females

7660

F18-39

7660

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

17175

Females

5831

F18-39

5831

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

17173

Females

5868

F18-39

5868

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

17340

Females

5939

F18-39

5939

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

15692

Females

5126

F18-39

5126

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

14289

Females

4531

F18-39

4531

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

13204

Females

4096

F18-39

4096

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

11146

Females

3186

F18-39

3186

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

11843

Females

3582

F18-39

3582

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11874

Females

3685

F18-39

3685

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

10381

Females

3003

F18-39

3003

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9102

Females

2523

F18-39

2523

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8401

Females

2281

F18-39

2281

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2story building
+22ft-21ft

Overall

9293

Females

2680

F18-39

2680

Passing Analysis

Category:
Athletes Passed
7306
Passed By
42
Net Change
+7264
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23044
5K → 10K12089+1199#23044#21845
10K → 15K14311+1430#21845#20415
15K → 20K7413+738#20415#19677
20K → Half1185+113#19677#19564
Half → 25K6632+661#19564#18903
25K → 30K8762+874#18903#18029
30K → 20M3817+374#18029#17655
20M → 21M3723+369#17655#17286
21M → 35K2261+225#17286#17061
35K → 23M3252+323#17061#16738
23M → 24M3052+303#16738#16435
24M → 40K2760+276#16435#16159
40K → 25.2M1340+134#16159#16025
25.2M → Finish2505+245#16025#15780
TOTALS730642+7264
📊

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