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BOSTON MARATHON 2025

Chloe Entenberg

Bib: 10059•F

PA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 34%
Gender (Female)
#0 / 12228
Top 17%
Division (F18-39)
#0 / 5469
Top 30%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:57
Rank: #5851
Start → 5K
6:45/mi
20:57 split
10K· 6.21 mi
41:35
Rank: #5304 (+547)
5K → 10K
6:38/mi
20:38 split
15K· 9.32 mi
1:03:19
Rank: #6137 (-833)
10K → 15K
7:00/mi
21:44 split
20K· 12.43 mi
1:27:02
Rank: #7528 (-1391)
15K → 20K
7:38/mi
23:43 split
Half· 13.11 mi
1:32:03
Rank: #7637 (-109)
20K → Half
7:21/mi
5:01 split
25K· 15.53 mi
1:52:46
Rank: #9218 (-1581)
Half → 25K
8:33/mi
20:43 split
30K· 18.64 mi
2:18:50
Rank: #10124 (-906)
25K → 30K
8:23/mi
26:04 split
20M
2:30:27
Rank: #10444 (-320)
30K → 20M
8:33/mi
11:37 split
21M
2:39:17
Rank: #10563 (-119)
20M → 21M
8:50/mi
8:50 split
35K· 21.75 mi
2:45:29
Rank: #10680 (-117)
21M → 35K
8:17/mi
6:12 split
23M
2:54:39
Rank: #10297 (+383)
35K → 23M
7:19/mi
9:10 split
24M
3:02:18
Rank: #10191 (+106)
23M → 24M
7:39/mi
7:39 split
40K· 24.85 mi
3:08:49
Rank: #10043 (+148)
24M → 40K
7:37/mi
6:31 split
25.2M
3:11:40
Rank: #9975 (+68)
40K → 25.2M
8:16/mi
2:51 split
Finish· 26.22 mi
3:18:38
Rank: #9726 (+249)
25.2M → Finish
6:50/mi
6:58 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:03
Pace7:01 /mi
2nd Half
Distance13.11 mi
Time1:46:35
Pace8:08 /mi
📊Positive Split: 15.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:5420:576:4520:57
6:45
-
10K
6.21 mi11:07:3241:356:4220:38
6:38
-0:07
15K
9.32 mi11:29:161:03:196:4821:44
7:00
+0:22
20K
12.43 mi11:52:591:27:027:0023:43
7:38
+0:38
Half
13.11 mi11:58:001:32:037:015:01
7:21
-0:17
25K
15.53 mi12:18:431:52:467:1620:43
8:33
+1:12
30K
18.64 mi12:44:472:18:507:2726:04
8:23
-0:10
20M
20.00 mi12:56:242:30:277:3111:37
8:33
+0:10
21M
21.00 mi13:05:142:39:177:358:50
8:50
+0:17
35K
21.75 mi13:11:262:45:297:376:12
8:17
-0:33
23M
23.00 mi13:20:362:54:397:369:10
7:19
-0:58
24M
24.00 mi13:28:153:02:187:367:39
7:39
+0:20
40K
24.85 mi13:34:463:08:497:366:31
7:37
-0:02
25.2M
25.20 mi13:37:373:11:407:362:51
8:16
+0:39
Finish
26.22 mi13:44:353:18:387:356:58
6:50
-1:26

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

6:38 /mi

Average Pace

7:35 /mi

Slowest Pace

8:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:17

35% of race

Time at Steady Pace

52:04

26% of race

Time at Slower Pace

1:16:17

38% of race

Average Pace: 7:35 /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 mi10:46:5420:576:4520:57
6:45
#5851
10K
6.21 mi11:07:3241:356:4220:38
6:38
#5304
15K
9.32 mi11:29:161:03:196:4821:44
7:00
#6137
20K
12.43 mi11:52:591:27:027:0023:43
7:38
#7528
Half
13.11 mi11:58:001:32:037:015:01
7:21
#7637
25K
15.53 mi12:18:431:52:467:1620:43
8:33
#9218
30K
18.64 mi12:44:472:18:507:2726:04
8:23
#10124
20M
20.00 mi12:56:242:30:277:3111:37
8:33
#10444
21M
21.00 mi13:05:142:39:177:358:50
8:50
#10563
35K
21.75 mi13:11:262:45:297:376:12
8:17
#10680
23M
23.00 mi13:20:362:54:397:369:10
7:19
#10297
24M
24.00 mi13:28:153:02:187:367:39
7:39
#10191
40K
24.85 mi13:34:463:08:497:366:31
7:37
#10043
25.2M
25.20 mi13:37:373:11:407:362:51
8:16
#9975
Finish
26.22 mi13:44:353:18:387:356:58
6:50
#9726
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi58514524527619(Top 27%)906(Top 7%)906(Top 17%)
10K6.21 mi3.10 mi5304+547376+76376+764824(Top 17%)307(Top 3%)307(Top 6%)
15K9.32 mi3.11 mi6137-833509-133509-1337619(Top 27%)906(Top 7%)906(Top 17%)
20K12.43 mi3.11 mi7528-1391858-349858-34911829(Top 42%)2902(Top 24%)2902(Top 53%)
Half13.11 mi0.68 mi7637-109899-41899-4110531(Top 37%)2196(Top 18%)2196(Top 40%)
25K15.53 mi2.42 mi9218-15811548-6491548-64917451(Top 61%)6107(Top 50%)6107(Top 112%)
30K18.64 mi3.11 mi10124-9062023-4752023-47514077(Top 50%)4413(Top 36%)4413(Top 81%)
20M20.00 mi1.36 mi10444-3202217-1942217-19414090(Top 50%)4554(Top 37%)4554(Top 83%)
21M21.00 mi1.00 mi10563-1192321-1042321-10412506(Top 44%)3853(Top 32%)3853(Top 70%)
35K21.75 mi0.75 mi10680-1172398-772398-7714179(Top 50%)4767(Top 39%)4767(Top 87%)
23M23.00 mi1.25 mi10297+3832261+1372261+1375607(Top 20%)860(Top 7%)860(Top 16%)
24M24.00 mi1.00 mi10191+1062237+242237+248806(Top 31%)2232(Top 18%)2232(Top 41%)
40K24.85 mi0.85 mi10043+1482192+452192+457612(Top 27%)1817(Top 15%)1817(Top 33%)
25.2M25.20 mi0.35 mi9975+682176+162176+167531(Top 27%)1871(Top 15%)1871(Top 34%)
Finish26.22 mi1.02 mi9726+2492105+712105+714768(Top 17%)793(Top 6%)793(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21stories
+97ft-345ft

Overall

7619

Females

906

F18-39

906

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4824

Females

307

F18-39

307

10K→15K

6.2 - 9.3 mi

Top 27%
×3stories
+67ft-78ft

Overall

7619

Females

906

F18-39

906

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

11829

Females

2902

F18-39

2902

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

10531

Females

2196

F18-39

2196

Half→25K

13.1 - 15.5 mi

Top 61%
×4stories
+66ft-88ft

Overall

17451

Females

6107

F18-39

6107

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

14077

Females

4413

F18-39

4413

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

14090

Females

4554

F18-39

4554

20M→21M

20.0 - 21.0 mi

Top 44%
×8stories
+106ft-24ft

Overall

12506

Females

3853

F18-39

3853

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

14179

Females

4767

F18-39

4767

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5607

Females

860

F18-39

860

23M→24M

23.0 - 24.0 mi

Top 31%
×6stories
+12ft-82ft

Overall

8806

Females

2232

F18-39

2232

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7612

Females

1817

F18-39

1817

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7531

Females

1871

F18-39

1871

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4768

Females

793

F18-39

793

Passing Analysis

Category:
Athletes Passed
1831*
Passed By
5704
Net Change
-3875
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5851
5K → 10K57932+547#5851#5304
10K → 15K21854-833#5304#6137
15K → 20K81399-1391#6137#7528
20K → Half5114-109#7528#7637
Half → 25K61587-1581#7637#9218
25K → 30K60964-906#9218#10124
30K → 20M52372-320#10124#10444
20M → 21M74193-119#10444#10563
21M → 35K26143-117#10563#10680
35K → 23M3863+383#10680#10297
23M → 24M12519+106#10297#10191
24M → 40K16315+148#10191#10043
40K → 25.2M75*7+68#10043#9975
25.2M → Finish2512+249#9975#9726
TOTALS1831*5704-3875

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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