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BOSTON MARATHON 2025

Elizabeth Peterson

Bib: 15478•F

VA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 41%
Gender (Female)
#0 / 12228
Top 25%
Division (F18-39)
#0 / 5469
Top 42%
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
7:28/mi
23:11
↑ 97↓ 3451.5%
10K· 6.21 mi
7:24/mi
46:10
↑ 79↓ 1380.4%
15K· 9.32 mi
7:26/mi
1:09:15
↑ 67↓ 78
20K· 12.43 mi
7:27/mi
1:32:25
↑ 106↓ 860.1%
Half· 13.11 mi
7:29/mi
1:37:31
↑ 19↓ 370.5%
25K· 15.53 mi
7:46/mi
1:56:21
↑ 66↓ 880.2%
30K· 18.64 mi
8:10/mi
2:21:42
↑ 181↓ 1480.2%
20M
8:21/mi
2:33:03
↑ 64↓ 500.2%
21M
8:49/mi
2:41:52
↑ 106↓ 241.6%
35K· 21.75 mi
8:05/mi
2:47:55
↑ 17↓ 861.7%
23M
8:24/mi
2:58:26
↑ 23↓ 630.6%
24M
8:18/mi
3:06:44
↓ 821.3%
40K· 24.85 mi
8:22/mi
3:13:53
↓ 200.3%
25.2M
8:54/mi
3:16:57
↑ 13↓ 160.2%
Finish· 26.22 mi
7:46/mi
3:24:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:31
Pace7:26 /mi
2nd Half
Distance13.11 mi
Time1:47:21
Pace8:11 /mi
📊Positive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:1923:117:2823:11
7:28
-
10K
6.21 mi11:18:1846:107:2622:59
7:24
-0:04
15K
9.32 mi11:41:231:09:157:2623:05
7:26
+0:02
20K
12.43 mi12:04:331:32:257:2623:10
7:27
+0:01
Half
13.11 mi12:09:391:37:317:265:06
7:29
+0:02
25K
15.53 mi12:28:291:56:217:2918:50
7:46
+0:17
30K
18.64 mi12:53:502:21:427:3625:21
8:10
+0:24
20M
20.00 mi13:05:112:33:037:3911:21
8:21
+0:11
21M
21.00 mi13:14:002:41:527:428:49
8:49
+0:28
35K
21.75 mi13:20:032:47:557:436:03
8:05
-0:44
23M
23.00 mi13:30:342:58:267:4510:31
8:24
+0:19
24M
24.00 mi13:38:523:06:447:478:18
8:18
-0:06
40K
24.85 mi13:46:013:13:537:487:09
8:22
+0:04
25.2M
25.20 mi13:49:053:16:577:493:04
8:54
+0:32
Finish
26.22 mi13:57:003:24:527:497:55
7:46
-1:08

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

7:24 /mi

Average Pace

7:49 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:16

61% of race

Time at Steady Pace

39:42

19% of race

Time at Slower Pace

40:54

20% of race

Average Pace: 7:49 /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 mi10:55:1923:117:2823:11
7:28
#11917
10K
6.21 mi11:18:1846:107:2622:59
7:24
#11526
15K
9.32 mi11:41:231:09:157:2623:05
7:26
#11347
20K
12.43 mi12:04:331:32:257:2623:10
7:27
#11088
Half
13.11 mi12:09:391:37:317:265:06
7:29
#11122
25K
15.53 mi12:28:291:56:217:2918:50
7:46
#11249
30K
18.64 mi12:53:502:21:427:3625:21
8:10
#11447
20M
20.00 mi13:05:112:33:037:3911:21
8:21
#11496
21M
21.00 mi13:14:002:41:527:428:49
8:49
#11550
35K
21.75 mi13:20:032:47:557:436:03
8:05
#11592
23M
23.00 mi13:30:342:58:267:4510:31
8:24
#11631
24M
24.00 mi13:38:523:06:447:478:18
8:18
#11682
40K
24.85 mi13:46:013:13:537:487:09
8:22
#11692
25.2M
25.20 mi13:49:053:16:577:493:04
8:54
#11681
Finish
26.22 mi13:57:003:24:527:497:55
7:46
#11643
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi119172752275211165(Top 39%)2457(Top 20%)2457(Top 45%)
10K6.21 mi3.10 mi11526+3912570+1822570+18211178(Top 39%)2411(Top 20%)2411(Top 44%)
15K9.32 mi3.11 mi11347+1792498+722498+7211165(Top 39%)2457(Top 20%)2457(Top 45%)
20K12.43 mi3.11 mi11088+2592390+1082390+10810412(Top 37%)2163(Top 18%)2163(Top 40%)
Half13.11 mi0.68 mi11122-342414-242414-2411567(Top 41%)2726(Top 22%)2726(Top 50%)
25K15.53 mi2.42 mi11249-1272516-1022516-10212094(Top 43%)3165(Top 26%)3165(Top 58%)
30K18.64 mi3.11 mi11447-1982702-1862702-18612525(Top 44%)3577(Top 29%)3577(Top 65%)
20M20.00 mi1.36 mi11496-492771-692771-6912851(Top 45%)3880(Top 32%)3880(Top 71%)
21M21.00 mi1.00 mi11550-542840-692840-6912412(Top 44%)3805(Top 31%)3805(Top 70%)
35K21.75 mi0.75 mi11592-422884-442884-4412845(Top 45%)4064(Top 33%)4064(Top 74%)
23M23.00 mi1.25 mi11631-392944-602944-6012690(Top 45%)4088(Top 33%)4088(Top 75%)
24M24.00 mi1.00 mi11682-513012-683012-6813271(Top 47%)4446(Top 36%)4446(Top 81%)
40K24.85 mi0.85 mi11692-103043-313043-3112555(Top 44%)4208(Top 34%)4208(Top 77%)
25.2M25.20 mi0.35 mi11681+113054-113054-1111240(Top 40%)3614(Top 30%)3614(Top 66%)
Finish26.22 mi1.02 mi11643+383078-243078-2411232(Top 40%)3568(Top 29%)3568(Top 65%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

11165

Females

2457

F18-39

2457

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

11178

Females

2411

F18-39

2411

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

11165

Females

2457

F18-39

2457

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

10412

Females

2163

F18-39

2163

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

11567

Females

2726

F18-39

2726

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

12094

Females

3165

F18-39

3165

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

12525

Females

3577

F18-39

3577

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12851

Females

3880

F18-39

3880

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

12412

Females

3805

F18-39

3805

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12845

Females

4064

F18-39

4064

35K→23M

21.8 - 23.0 mi

Top 45%
×5story building
+23ft-63ft

Overall

12690

Females

4088

F18-39

4088

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

13271

Females

4446

F18-39

4446

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12555

Females

4208

F18-39

4208

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

11240

Females

3614

F18-39

3614

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

11232

Females

3568

F18-39

3568

Passing Analysis

Category:
Athletes Passed
2045
Passed By
1771
Net Change
+274
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11917
5K → 10K508117+391#11917#11526
10K → 15K27091+179#11526#11347
15K → 20K31253+259#11347#11088
20K → Half2559-34#11088#11122
Half → 25K139266-127#11122#11249
25K → 30K161359-198#11249#11447
30K → 20M104153-49#11447#11496
20M → 21M89143-54#11496#11550
21M → 35K4587-42#11550#11592
35K → 23M97136-39#11592#11631
23M → 24M70121-51#11631#11682
24M → 40K8090-10#11682#11692
40K → 25.2M3726+11#11692#11681
25.2M → Finish10870+38#11681#11643
TOTALS20451771+274
📊

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