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BOSTON MARATHON 2025

Chelsea Eboli

Bib: 18987•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 39%
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:30
Rank: #15572
Start → 5K
24:30 | 7:53/mi
10K· 6.21 mi
49:40
Rank: #16463 (-891)
5K → 10K
25:10 | 8:06/mi
15K· 9.32 mi
1:14:22
Rank: #16166 (+297)
10K → 15K
24:42 | 7:57/mi
20K· 12.43 mi
1:39:44
Rank: #16131 (+35)
15K → 20K
25:22 | 8:10/mi
Half· 13.11 mi
1:45:10
Rank: #16123 (+8)
20K → Half
5:26 | 7:58/mi
25K· 15.53 mi
2:05:39
Rank: #16238 (-115)
Half → 25K
20:29 | 8:27/mi
30K· 18.64 mi
2:33:40
Rank: #16481 (-243)
25K → 30K
28:01 | 9:01/mi
20M
2:46:18
Rank: #16607 (-126)
30K → 20M
12:38 | 9:18/mi
21M
2:56:29
Rank: #16735 (-128)
20M → 21M
10:11 | 10:11/mi
35K· 21.75 mi
3:02:47
Rank: #16650 (+85)
21M → 35K
6:18 | 8:25/mi
23M
3:14:23
Rank: #16697 (-47)
35K → 23M
11:36 | 9:16/mi
24M
3:24:13
Rank: #16947 (-250)
23M → 24M
9:50 | 9:50/mi
40K· 24.85 mi
3:32:09
Rank: #16999 (-52)
24M → 40K
7:56 | 9:17/mi
25.2M
3:35:21
Rank: #16921 (+78)
40K → 25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:45:17
Rank: #17213 (-292)
25.2M → Finish
9:56 | 9:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:10
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time2:00:07
Pace9:10 /mi
📊Positive Split: 14.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:4124:307:5324:30
7:53
-
10K
6.21 mi11:40:5149:408:0025:10
8:06
+0:13
15K
9.32 mi12:05:331:14:227:5924:42
7:57
-0:09
20K
12.43 mi12:30:551:39:448:0225:22
8:10
+0:13
Half
13.11 mi12:36:211:45:108:015:26
7:58
-0:12
25K
15.53 mi12:56:502:05:398:0520:29
8:27
+0:29
30K
18.64 mi13:24:512:33:408:1528:01
9:01
+0:34
20M
20.00 mi13:37:292:46:188:1912:38
9:18
+0:17
21M
21.00 mi13:47:402:56:298:2410:11
10:11
+0:53
35K
21.75 mi13:53:583:02:478:246:18
8:25
-1:46
23M
23.00 mi14:05:343:14:238:2711:36
9:16
+0:51
24M
24.00 mi14:15:243:24:138:319:50
9:50
+0:34
40K
24.85 mi14:23:203:32:098:327:56
9:17
-0:33
25.2M
25.20 mi14:26:323:35:218:333:12
9:17
0:00
Finish
26.22 mi14:36:283:45:178:369:56
9:45
+0:28

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

7:53 /mi

Average Pace

8:36 /mi

Slowest Pace

10:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:57

59% of race

Time at Steady Pace

1:03:23

28% of race

Time at Slower Pace

29:57

13% of race

Average Pace: 8:36 /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 mi11:15:4124:307:5324:30
7:53
#15572
10K
6.21 mi11:40:5149:408:0025:10
8:06
#16463
15K
9.32 mi12:05:331:14:227:5924:42
7:57
#16166
20K
12.43 mi12:30:551:39:448:0225:22
8:10
#16131
Half
13.11 mi12:36:211:45:108:015:26
7:58
#16123
25K
15.53 mi12:56:502:05:398:0520:29
8:27
#16238
30K
18.64 mi13:24:512:33:408:1528:01
9:01
#16481
20M
20.00 mi13:37:292:46:188:1912:38
9:18
#16607
21M
21.00 mi13:47:402:56:298:2410:11
10:11
#16735
35K
21.75 mi13:53:583:02:478:246:18
8:25
#16650
23M
23.00 mi14:05:343:14:238:2711:36
9:16
#16697
24M
24.00 mi14:15:243:24:138:319:50
9:50
#16947
40K
24.85 mi14:23:203:32:098:327:56
9:17
#16999
25.2M
25.20 mi14:26:323:35:218:333:12
9:17
#16921
Finish
26.22 mi14:36:283:45:178:369:56
9:45
#17213
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi155724879487915684(Top 55%)4963(Top 41%)4963(Top 289%)
10K6.21 mi3.10 mi16463-8915420-5415420-54117217(Top 61%)5834(Top 48%)5834(Top 340%)
15K9.32 mi3.11 mi16166+2975238+1825238+18215684(Top 55%)4963(Top 41%)4963(Top 289%)
20K12.43 mi3.11 mi16131+355228+105228+1016093(Top 57%)5273(Top 43%)5273(Top 307%)
Half13.11 mi0.68 mi16123+85232-45232-415701(Top 55%)5021(Top 41%)5021(Top 292%)
25K15.53 mi2.42 mi16238-1155303-715303-7116879(Top 59%)5790(Top 47%)5790(Top 337%)
30K18.64 mi3.11 mi16481-2435515-2125515-21217784(Top 63%)6463(Top 53%)6463(Top 376%)
20M20.00 mi1.36 mi16607-1265615-1005615-10018291(Top 64%)6882(Top 56%)6882(Top 401%)
21M21.00 mi1.00 mi16735-1285721-1065721-10618976(Top 67%)7318(Top 60%)7318(Top 426%)
35K21.75 mi0.75 mi16650+855693+285693+2815052(Top 53%)5269(Top 43%)5269(Top 307%)
23M23.00 mi1.25 mi16697-475755-625755-6217634(Top 62%)6806(Top 56%)6806(Top 396%)
24M24.00 mi1.00 mi16947-2505923-1685923-16820846(Top 73%)8518(Top 70%)8518(Top 496%)
40K24.85 mi0.85 mi16999-525983-605983-6017762(Top 63%)7004(Top 57%)7004(Top 408%)
25.2M25.20 mi0.35 mi16921+785954+295954+2913452(Top 47%)4761(Top 39%)4761(Top 277%)
Finish26.22 mi1.02 mi17213-2926134-1806134-18022085(Top 78%)9193(Top 75%)9193(Top 535%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

15684

Females

4963

F40-44

4963

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

17217

Females

5834

F40-44

5834

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

15684

Females

4963

F40-44

4963

15K→20K

9.3 - 12.4 mi

Top 57%
×5stories
+106ft-86ft

Overall

16093

Females

5273

F40-44

5273

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

15701

Females

5021

F40-44

5021

Half→25K

13.1 - 15.5 mi

Top 59%
×4stories
+66ft-88ft

Overall

16879

Females

5790

F40-44

5790

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

17784

Females

6463

F40-44

6463

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

18291

Females

6882

F40-44

6882

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

18976

Females

7318

F40-44

7318

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

15052

Females

5269

F40-44

5269

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

17634

Females

6806

F40-44

6806

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

20846

Females

8518

F40-44

8518

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17762

Females

7004

F40-44

7004

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13452

Females

4761

F40-44

4761

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

22085

Females

9193

F40-44

9193

Passing Analysis

Category:
Athletes Passed
1547
Passed By
3188
Net Change
-1641
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15572
5K → 10K85976-891#15572#16463
10K → 15K37679+297#16463#16166
15K → 20K232197+35#16166#16131
20K → Half3224+8#16131#16123
Half → 25K131246-115#16123#16238
25K → 30K158401-243#16238#16481
30K → 20M70196-126#16481#16607
20M → 21M71199-128#16607#16735
21M → 35K10722+85#16735#16650
35K → 23M97144-47#16650#16697
23M → 24M30280-250#16697#16947
24M → 40K57109-52#16947#16999
40K → 25.2M813+78#16999#16921
25.2M → Finish20312-292#16921#17213
TOTALS15473188-1641
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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