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BOSTON MARATHON 2025

Jaclyn Eldridge

Bib: 20556•F

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
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
8:00/mi
24:51
↑ 97↓ 3451.5%
10K· 6.21 mi
8:04/mi
49:54
↑ 79↓ 1380.4%
15K· 9.32 mi
8:16/mi
1:15:34
↑ 67↓ 78
20K· 12.43 mi
9:07/mi
1:43:52
↑ 106↓ 860.1%
Half· 13.11 mi
8:18/mi
1:49:32
↑ 19↓ 370.5%
25K· 15.53 mi
9:30/mi
2:12:34
↑ 66↓ 880.2%
30K· 18.64 mi
9:11/mi
2:41:07
↑ 181↓ 1480.2%
20M
10:46/mi
2:55:45
↑ 64↓ 500.2%
21M
9:56/mi
3:05:41
↑ 106↓ 241.6%
35K· 21.75 mi
8:44/mi
3:12:13
↑ 17↓ 861.7%
23M
9:13/mi
3:23:45
↑ 23↓ 630.6%
24M
8:54/mi
3:32:39
↓ 821.3%
40K· 24.85 mi
9:12/mi
3:40:31
↓ 200.3%
25.2M
10:06/mi
3:44:00
↑ 13↓ 160.2%
Finish· 26.22 mi
9:56/mi
3:54:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:32
Pace8:21 /mi
2nd Half
Distance13.11 mi
Time2:04:35
Pace9:30 /mi
📊Positive Split: 13.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:4724:518:0024:51
8:00
-
10K
6.21 mi11:43:5049:548:0225:03
8:04
+0:04
15K
9.32 mi12:09:301:15:348:0625:40
8:16
+0:12
20K
12.43 mi12:37:481:43:528:2128:18
9:07
+0:51
Half
13.11 mi12:43:281:49:328:215:40
8:18
-0:49
25K
15.53 mi13:06:302:12:348:3223:02
9:30
+1:12
30K
18.64 mi13:35:032:41:078:3928:33
9:11
-0:19
20M
20.00 mi13:49:412:55:458:4714:38
10:46
+1:35
21M
21.00 mi13:59:373:05:418:519:56
9:56
-0:50
35K
21.75 mi14:06:093:12:138:506:32
8:44
-1:12
23M
23.00 mi14:17:413:23:458:5211:32
9:13
+0:29
24M
24.00 mi14:26:353:32:398:528:54
8:54
-0:19
40K
24.85 mi14:34:273:40:318:527:52
9:12
+0:18
25.2M
25.20 mi14:37:563:44:008:533:29
10:06
+0:54
Finish
26.22 mi14:48:033:54:078:5610:07
9:56
-0:10

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

8:00 /mi

Average Pace

8:56 /mi

Slowest Pace

10:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:46

37% of race

Time at Steady Pace

1:48:11

46% of race

Time at Slower Pace

38:10

16% of race

Average Pace: 8:56 /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 mi11:18:4724:518:0024:51
8:00
#16599
10K
6.21 mi11:43:5049:548:0225:03
8:04
#16770
15K
9.32 mi12:09:301:15:348:0625:40
8:16
#17143
20K
12.43 mi12:37:481:43:528:2128:18
9:07
#18377
Half
13.11 mi12:43:281:49:328:215:40
8:18
#18335
25K
15.53 mi13:06:302:12:348:3223:02
9:30
#19126
30K
18.64 mi13:35:032:41:078:3928:33
9:11
#19001
20M
20.00 mi13:49:412:55:458:4714:38
10:46
#19499
21M
21.00 mi13:59:373:05:418:519:56
9:56
#19395
35K
21.75 mi14:06:093:12:138:506:32
8:44
#19311
23M
23.00 mi14:17:413:23:458:5211:32
9:13
#19193
24M
24.00 mi14:26:353:32:398:528:54
8:54
#19095
40K
24.85 mi14:34:273:40:318:527:52
9:12
#18997
25.2M
25.20 mi14:37:563:44:008:533:29
10:06
#18981
Finish
26.22 mi14:48:033:54:078:5610:07
9:56
#19159
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi165995517551717813(Top 63%)6214(Top 51%)6214(Top 362%)
10K6.21 mi3.10 mi16770-1715598-815598-8116956(Top 60%)5683(Top 46%)5683(Top 331%)
15K9.32 mi3.11 mi17143-3735794-1965794-19617813(Top 63%)6214(Top 51%)6214(Top 362%)
20K12.43 mi3.11 mi18377-12346556-7626556-76221486(Top 76%)8307(Top 68%)8307(Top 484%)
Half13.11 mi0.68 mi18335+426534+226534+2218026(Top 63%)6343(Top 52%)6343(Top 369%)
25K15.53 mi2.42 mi19126-7916985-4516985-45121862(Top 77%)8574(Top 70%)8574(Top 499%)
30K18.64 mi3.11 mi19001+1256952+336952+3318609(Top 66%)6897(Top 56%)6897(Top 401%)
20M20.00 mi1.36 mi19499-4987266-3147266-31423110(Top 81%)9472(Top 77%)9472(Top 551%)
21M21.00 mi1.00 mi19395+1047231+357231+3518062(Top 64%)6826(Top 56%)6826(Top 397%)
35K21.75 mi0.75 mi19311+847192+397192+3916952(Top 60%)6322(Top 52%)6322(Top 368%)
23M23.00 mi1.25 mi19193+1187159+337159+3317407(Top 61%)6670(Top 55%)6670(Top 388%)
24M24.00 mi1.00 mi19095+987120+397120+3916883(Top 59%)6437(Top 53%)6437(Top 375%)
40K24.85 mi0.85 mi18997+987099+217099+2117385(Top 61%)6803(Top 56%)6803(Top 396%)
25.2M25.20 mi0.35 mi18981+167099709917532(Top 62%)6886(Top 56%)6886(Top 401%)
Finish26.22 mi1.02 mi19159-1787221-1227221-12222709(Top 80%)9521(Top 78%)9521(Top 554%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

17813

Females

6214

F40-44

6214

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

16956

Females

5683

F40-44

5683

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

17813

Females

6214

F40-44

6214

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

21486

Females

8307

F40-44

8307

20K→Half

12.4 - 13.1 mi

Top 63%
×2story building
+19ft-37ft

Overall

18026

Females

6343

F40-44

6343

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

21862

Females

8574

F40-44

8574

25K→30K

15.5 - 18.6 mi

Top 66%
×9story building
+181ft-148ft

Overall

18609

Females

6897

F40-44

6897

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

23110

Females

9472

F40-44

9472

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

18062

Females

6826

F40-44

6826

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

16952

Females

6322

F40-44

6322

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

17407

Females

6670

F40-44

6670

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

16883

Females

6437

F40-44

6437

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17385

Females

6803

F40-44

6803

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17532

Females

6886

F40-44

6886

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

22709

Females

9521

F40-44

9521

Passing Analysis

Category:
Athletes Passed
1425
Passed By
3985
Net Change
-2560
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16599
5K → 10K218389-171#16599#16770
10K → 15K105478-373#16770#17143
15K → 20K201254-1234#17143#18377
20K → Half6119+42#18377#18335
Half → 25K38829-791#18335#19126
25K → 30K281156+125#19126#19001
30K → 20M24522-498#19001#19499
20M → 21M14642+104#19499#19395
21M → 35K9410+84#19395#19311
35K → 23M15234+118#19311#19193
23M → 24M11416+98#19193#19095
24M → 40K12426+98#19095#18997
40K → 25.2M3620+16#18997#18981
25.2M → Finish12190-178#18981#19159
TOTALS14253985-2560
📊

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