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BOSTON MARATHON 2025

Carolyn Eckols

Bib: 22371•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
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
8:48/mi
27:19
↑ 97↓ 3451.5%
10K· 6.21 mi
9:04/mi
55:28
↑ 79↓ 1380.4%
15K· 9.32 mi
8:43/mi
1:22:34
↑ 67↓ 78
20K· 12.43 mi
8:49/mi
1:49:56
↑ 106↓ 860.1%
Half· 13.11 mi
8:45/mi
1:55:54
↑ 19↓ 370.5%
25K· 15.53 mi
8:48/mi
2:17:13
↑ 66↓ 880.2%
30K· 18.64 mi
9:09/mi
2:45:38
↑ 181↓ 1480.2%
20M
9:14/mi
2:58:11
↑ 64↓ 500.2%
21M
9:38/mi
3:07:49
↑ 106↓ 241.6%
35K· 21.75 mi
9:01/mi
3:14:34
↑ 17↓ 861.7%
23M
9:06/mi
3:25:58
↑ 23↓ 630.6%
24M
8:56/mi
3:34:54
↓ 821.3%
40K· 24.85 mi
8:47/mi
3:42:25
↓ 200.3%
25.2M
9:25/mi
3:45:40
↑ 13↓ 160.2%
Finish· 26.22 mi
8:08/mi
3:53:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:54
Pace8:50 /mi
2nd Half
Distance13.11 mi
Time1:58:03
Pace9:00 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:4627:198:4827:19
8:48
-
10K
6.21 mi11:50:5555:288:5628:09
9:04
+0:16
15K
9.32 mi12:18:011:22:348:5227:06
8:43
-0:21
20K
12.43 mi12:45:231:49:568:5127:22
8:49
+0:06
Half
13.11 mi12:51:211:55:548:505:58
8:45
-0:04
25K
15.53 mi13:12:402:17:138:5021:19
8:48
+0:03
30K
18.64 mi13:41:052:45:388:5328:25
9:09
+0:21
20M
20.00 mi13:53:382:58:118:5512:33
9:14
+0:05
21M
21.00 mi14:03:163:07:498:579:38
9:38
+0:24
35K
21.75 mi14:10:013:14:348:576:45
9:01
-0:37
23M
23.00 mi14:21:253:25:588:5711:24
9:06
+0:05
24M
24.00 mi14:30:213:34:548:578:56
8:56
-0:10
40K
24.85 mi14:37:523:42:258:577:31
8:47
-0:09
25.2M
25.20 mi14:41:073:45:408:573:15
9:25
+0:38
Finish
26.22 mi14:49:243:53:578:568:17
8:08
-1:17

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

8:08 /mi

Average Pace

8:56 /mi

Slowest Pace

9:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:48

57% of race

Time at Steady Pace

1:30:31

39% of race

Time at Slower Pace

9:38

4% of race

Average Pace: 8:55 /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 mi11:22:4627:198:4827:19
8:48
#21489
10K
6.21 mi11:50:5555:288:5628:09
9:04
#22090
15K
9.32 mi12:18:011:22:348:5227:06
8:43
#21576
20K
12.43 mi12:45:231:49:568:5127:22
8:49
#21157
Half
13.11 mi12:51:211:55:548:505:58
8:45
#21137
25K
15.53 mi13:12:402:17:138:5021:19
8:48
#20776
30K
18.64 mi13:41:052:45:388:5328:25
9:09
#20310
20M
20.00 mi13:53:382:58:118:5512:33
9:14
#20125
21M
21.00 mi14:03:163:07:498:579:38
9:38
#19923
35K
21.75 mi14:10:013:14:348:576:45
9:01
#19860
23M
23.00 mi14:21:253:25:588:5711:24
9:06
#19677
24M
24.00 mi14:30:213:34:548:578:56
8:56
#19566
40K
24.85 mi14:37:523:42:258:577:31
8:47
#19412
25.2M
25.20 mi14:41:073:45:408:573:15
9:25
#19318
Finish
26.22 mi14:49:243:53:578:568:17
8:08
#19119
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi214898356835620614(Top 73%)7782(Top 64%)7782(Top 429%)
10K6.21 mi3.10 mi22090-6018662-3068662-30622651(Top 80%)8945(Top 73%)8945(Top 493%)
15K9.32 mi3.11 mi21576+5148347+3158347+31520614(Top 73%)7782(Top 64%)7782(Top 429%)
20K12.43 mi3.11 mi21157+4198116+2318116+23119984(Top 70%)7469(Top 61%)7469(Top 412%)
Half13.11 mi0.68 mi21137+208100+168100+1620655(Top 73%)7840(Top 64%)7840(Top 432%)
25K15.53 mi2.42 mi20776+3617916+1847916+18418906(Top 67%)6928(Top 57%)6928(Top 382%)
30K18.64 mi3.11 mi20310+4667706+2107706+21018400(Top 65%)6786(Top 55%)6786(Top 374%)
20M20.00 mi1.36 mi20125+1857624+827624+8217981(Top 63%)6710(Top 55%)6710(Top 370%)
21M21.00 mi1.00 mi19923+2027528+967528+9616737(Top 59%)6119(Top 50%)6119(Top 338%)
35K21.75 mi0.75 mi19860+637505+237505+2318372(Top 65%)7115(Top 58%)7115(Top 392%)
23M23.00 mi1.25 mi19677+1837438+677438+6716874(Top 59%)6381(Top 52%)6381(Top 352%)
24M24.00 mi1.00 mi19566+1117403+357403+3517051(Top 60%)6533(Top 53%)6533(Top 360%)
40K24.85 mi0.85 mi19412+1547327+767327+7615198(Top 54%)5642(Top 46%)5642(Top 311%)
25.2M25.20 mi0.35 mi19318+947289+387289+3814293(Top 50%)5213(Top 43%)5213(Top 288%)
Finish26.22 mi1.02 mi19119+1997195+947195+9413838(Top 49%)4884(Top 40%)4884(Top 269%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21story building
+97ft-345ft

Overall

20614

Females

7782

F45-49

7782

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

22651

Females

8945

F45-49

8945

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+67ft-78ft

Overall

20614

Females

7782

F45-49

7782

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

19984

Females

7469

F45-49

7469

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

20655

Females

7840

F45-49

7840

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

18906

Females

6928

F45-49

6928

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

18400

Females

6786

F45-49

6786

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

17981

Females

6710

F45-49

6710

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

16737

Females

6119

F45-49

6119

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

18372

Females

7115

F45-49

7115

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

16874

Females

6381

F45-49

6381

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

17051

Females

6533

F45-49

6533

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

15198

Females

5642

F45-49

5642

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

14293

Females

5213

F45-49

5213

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2story building
+22ft-21ft

Overall

13838

Females

4884

F45-49

4884

Passing Analysis

Category:
Athletes Passed
3266
Passed By
896
Net Change
+2370
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21489
5K → 10K85686-601#21489#22090
10K → 15K54733+514#22090#21576
15K → 20K45132+419#21576#21157
20K → Half4626+20#21157#21137
Half → 25K3698+361#21137#20776
25K → 30K49226+466#20776#20310
30K → 20M20116+185#20310#20125
20M → 21M21210+202#20125#19923
21M → 35K8219+63#19923#19860
35K → 23M19916+183#19860#19677
23M → 24M12817+111#19677#19566
24M → 40K1562+154#19566#19412
40K → 25.2M962+94#19412#19318
25.2M → Finish2023+199#19318#19119
TOTALS3266896+2370
📊

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