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BOSTON MARATHON 2025

Elizabeth Burch

Bib: 13026•F

MD

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 44%
Gender (Female)
#0 / 12228
Top 29%
Masters (Masters Women)
#0 / 6759
Top 14%
Division (F45-49)
#0 / 1813
Top 16%
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
7:44/mi
24:03
↑ 97↓ 3451.5%
10K· 6.21 mi
7:41/mi
47:55
↑ 79↓ 1380.4%
15K· 9.32 mi
7:45/mi
1:11:59
↑ 67↓ 78
20K· 12.43 mi
7:48/mi
1:36:14
↑ 106↓ 860.1%
Half· 13.11 mi
7:43/mi
1:41:30
↑ 19↓ 370.5%
25K· 15.53 mi
7:48/mi
2:00:24
↑ 66↓ 880.2%
30K· 18.64 mi
8:11/mi
2:25:51
↑ 181↓ 1480.2%
20M
8:14/mi
2:37:02
↑ 64↓ 500.2%
21M
8:40/mi
2:45:42
↑ 106↓ 241.6%
35K· 21.75 mi
8:03/mi
2:51:43
↑ 17↓ 861.7%
23M
8:10/mi
3:01:57
↑ 23↓ 630.6%
24M
8:14/mi
3:10:11
↓ 821.3%
40K· 24.85 mi
8:07/mi
3:17:07
↓ 200.3%
25.2M
8:42/mi
3:20:07
↑ 13↓ 160.2%
Finish· 26.22 mi
7:47/mi
3:28:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:30
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:46:33
Pace8:08 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5024:037:4424:03
7:44
-
10K
6.21 mi11:16:4247:557:4323:52
7:41
-0:03
15K
9.32 mi11:40:461:11:597:4324:04
7:45
+0:04
20K
12.43 mi12:05:011:36:147:4524:15
7:48
+0:03
Half
13.11 mi12:10:171:41:307:455:16
7:43
-0:05
25K
15.53 mi12:29:112:00:247:4518:54
7:48
+0:05
30K
18.64 mi12:54:382:25:517:4925:27
8:11
+0:23
20M
20.00 mi13:05:492:37:027:5111:11
8:14
+0:03
21M
21.00 mi13:14:292:45:427:538:40
8:40
+0:26
35K
21.75 mi13:20:302:51:437:546:01
8:03
-0:37
23M
23.00 mi13:30:443:01:577:5510:14
8:10
+0:07
24M
24.00 mi13:38:583:10:117:558:14
8:14
+0:04
40K
24.85 mi13:45:543:17:077:566:56
8:07
-0:07
25.2M
25.20 mi13:48:543:20:077:563:00
8:42
+0:35
Finish
26.22 mi13:56:503:28:037:567:56
7:47
-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

7:41 /mi

Average Pace

7:56 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:23

94% of race

Time at Steady Pace

11:40

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:56 /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 mi10:52:5024:037:4424:03
7:44
#14304
10K
6.21 mi11:16:4247:557:4323:52
7:41
#14006
15K
9.32 mi11:40:461:11:597:4324:04
7:45
#13961
20K
12.43 mi12:05:011:36:147:4524:15
7:48
#13744
Half
13.11 mi12:10:171:41:307:455:16
7:43
#13734
25K
15.53 mi12:29:112:00:247:4518:54
7:48
#13442
30K
18.64 mi12:54:382:25:517:4925:27
8:11
#13289
20M
20.00 mi13:05:492:37:027:5111:11
8:14
#13141
21M
21.00 mi13:14:292:45:427:538:40
8:40
#13007
35K
21.75 mi13:20:302:51:437:546:01
8:03
#12992
23M
23.00 mi13:30:443:01:577:5510:14
8:10
#12835
24M
24.00 mi13:38:583:10:117:558:14
8:14
#12836
40K
24.85 mi13:45:543:17:077:566:56
8:07
#12735
25.2M
25.20 mi13:48:543:20:077:563:00
8:42
#12683
Finish
26.22 mi13:56:503:28:037:567:56
7:47
#12604
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi143044103410313913(Top 49%)3959(Top 32%)3959(Top 218%)
10K6.21 mi3.10 mi14006+2983945+1583945+15813728(Top 48%)3795(Top 31%)3795(Top 209%)
15K9.32 mi3.11 mi13961+453944+13944+113913(Top 49%)3959(Top 32%)3959(Top 218%)
20K12.43 mi3.11 mi13744+2173864+803864+8013322(Top 47%)3722(Top 30%)3722(Top 205%)
Half13.11 mi0.68 mi13734+103875-113875-1113607(Top 48%)3829(Top 31%)3829(Top 211%)
25K15.53 mi2.42 mi13442+2923735+1403735+14012325(Top 43%)3292(Top 27%)3292(Top 182%)
30K18.64 mi3.11 mi13289+1533709+263709+2612775(Top 45%)3703(Top 30%)3703(Top 204%)
20M20.00 mi1.36 mi13141+1483656+533656+5312024(Top 42%)3457(Top 28%)3457(Top 191%)
21M21.00 mi1.00 mi13007+1343618+383618+3811504(Top 41%)3359(Top 27%)3359(Top 185%)
35K21.75 mi0.75 mi12992+153617+13617+112563(Top 44%)3926(Top 32%)3926(Top 217%)
23M23.00 mi1.25 mi12835+1573572+453572+4511222(Top 40%)3339(Top 27%)3339(Top 184%)
24M24.00 mi1.00 mi12836-13609-373609-3712822(Top 45%)4222(Top 35%)4222(Top 233%)
40K24.85 mi0.85 mi12735+1013582+273582+2710977(Top 39%)3394(Top 28%)3394(Top 187%)
25.2M25.20 mi0.35 mi12683+523565+173565+1710104(Top 36%)3091(Top 25%)3091(Top 170%)
Finish26.22 mi1.02 mi12604+793554+113554+1111352(Top 40%)3638(Top 30%)3638(Top 201%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

13913

Females

3959

F45-49

3959

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

13728

Females

3795

F45-49

3795

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

13913

Females

3959

F45-49

3959

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

13322

Females

3722

F45-49

3722

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

13607

Females

3829

F45-49

3829

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

12325

Females

3292

F45-49

3292

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12775

Females

3703

F45-49

3703

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

12024

Females

3457

F45-49

3457

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

11504

Females

3359

F45-49

3359

21M→35K

21.0 - 21.8 mi

Top 44%
×7story building
+17ft-86ft

Overall

12563

Females

3926

F45-49

3926

35K→23M

21.8 - 23.0 mi

Top 40%
×5story building
+23ft-63ft

Overall

11222

Females

3339

F45-49

3339

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

12822

Females

4222

F45-49

4222

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10977

Females

3394

F45-49

3394

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

10104

Females

3091

F45-49

3091

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

11352

Females

3638

F45-49

3638

Passing Analysis

Category:
Athletes Passed
2654
Passed By
954
Net Change
+1700
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14304
5K → 10K449151+298#14304#14006
10K → 15K212167+45#14006#13961
15K → 20K320103+217#13961#13744
20K → Half4131+10#13744#13734
Half → 25K31826+292#13734#13442
25K → 30K323170+153#13442#13289
30K → 20M18537+148#13289#13141
20M → 21M17440+134#13141#13007
21M → 35K5843+15#13007#12992
35K → 23M19134+157#12992#12835
23M → 24M8081-1#12835#12836
24M → 40K13029+101#12836#12735
40K → 25.2M608+52#12735#12683
25.2M → Finish11334+79#12683#12604
TOTALS2654954+1700
📊

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