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BOSTON MARATHON 2025

Charlotte Del Col

Bib: 27721•F

NC

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
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
10:02/mi
31:11
↑ 97↓ 3451.5%
10K· 6.21 mi
9:57/mi
1:02:05
↑ 79↓ 1380.4%
15K· 9.32 mi
9:53/mi
1:32:48
↑ 67↓ 78
20K· 12.43 mi
9:53/mi
2:03:31
↑ 106↓ 860.1%
Half· 13.11 mi
9:49/mi
2:10:13
↑ 19↓ 370.5%
25K· 15.53 mi
10:24/mi
2:35:25
↑ 66↓ 880.2%
30K· 18.64 mi
10:35/mi
3:08:19
↑ 181↓ 1480.2%
20M
10:39/mi
3:22:47
↑ 64↓ 500.2%
21M
11:12/mi
3:33:59
↑ 106↓ 241.6%
35K· 21.75 mi
10:15/mi
3:41:39
↑ 17↓ 861.7%
23M
10:36/mi
3:54:55
↑ 23↓ 630.6%
24M
10:19/mi
4:05:14
↓ 821.3%
40K· 24.85 mi
10:35/mi
4:14:17
↓ 200.3%
25.2M
11:19/mi
4:18:11
↑ 13↓ 160.2%
Finish· 26.22 mi
10:03/mi
4:28:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:13
Pace9:56 /mi
2nd Half
Distance13.11 mi
Time2:18:12
Pace10:33 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:5831:1110:0231:11
10:02
-
10K
6.21 mi12:18:521:02:059:5930:54
9:57
-0:05
15K
9.32 mi12:49:351:32:489:5730:43
9:53
-0:04
20K
12.43 mi13:20:182:03:319:5630:43
9:53
0:00
Half
13.11 mi13:27:002:10:139:566:42
9:49
-0:04
25K
15.53 mi13:52:122:35:2510:0025:12
10:24
+0:35
30K
18.64 mi14:25:063:08:1910:0632:54
10:35
+0:11
20M
20.00 mi14:39:343:22:4710:0814:28
10:39
+0:04
21M
21.00 mi14:50:463:33:5910:1111:12
11:12
+0:33
35K
21.75 mi14:58:263:41:3910:127:40
10:15
-0:57
23M
23.00 mi15:11:423:54:5510:1313:16
10:36
+0:21
24M
24.00 mi15:22:014:05:1410:1310:19
10:19
-0:17
40K
24.85 mi15:31:044:14:1710:149:03
10:35
+0:16
25.2M
25.20 mi15:34:584:18:1110:153:54
11:19
+0:44
Finish
26.22 mi15:45:124:28:2510:1510:14
10:03
-1:16

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

9:49 /mi

Average Pace

10:15 /mi

Slowest Pace

11:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:13:19

94% of race

Time at Steady Pace

15:06

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:14 /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 mi11:47:5831:1110:0231:11
10:02
#25674
10K
6.21 mi12:18:521:02:059:5930:54
9:57
#25426
15K
9.32 mi12:49:351:32:489:5730:43
9:53
#25180
20K
12.43 mi13:20:182:03:319:5630:43
9:53
#24857
Half
13.11 mi13:27:002:10:139:566:42
9:49
#24827
25K
15.53 mi13:52:122:35:2510:0025:12
10:24
#24723
30K
18.64 mi14:25:063:08:1910:0632:54
10:35
#24454
20M
20.00 mi14:39:343:22:4710:0814:28
10:39
#24343
21M
21.00 mi14:50:463:33:5910:1111:12
11:12
#24202
35K
21.75 mi14:58:263:41:3910:127:40
10:15
#24145
23M
23.00 mi15:11:423:54:5510:1313:16
10:36
#24032
24M
24.00 mi15:22:014:05:1410:1310:19
10:19
#23959
40K
24.85 mi15:31:044:14:1710:149:03
10:35
#23895
25.2M
25.20 mi15:34:584:18:1110:153:54
11:19
#23869
Finish
26.22 mi15:45:124:28:2510:1510:14
10:03
#23858
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25674105691056924748(Top 87%)10083(Top 82%)10083(Top 184%)
10K6.21 mi3.10 mi25426+24810464+10510464+10525189(Top 89%)10332(Top 84%)10332(Top 189%)
15K9.32 mi3.11 mi25180+24610326+13810326+13824748(Top 87%)10083(Top 82%)10083(Top 184%)
20K12.43 mi3.11 mi24857+32310154+17210154+17223982(Top 84%)9698(Top 79%)9698(Top 177%)
Half13.11 mi0.68 mi24827+3010138+1610138+1624446(Top 86%)9967(Top 82%)9967(Top 182%)
25K15.53 mi2.42 mi24723+10410103+3510103+3524169(Top 85%)9835(Top 80%)9835(Top 180%)
30K18.64 mi3.11 mi24454+2699976+1279976+12723149(Top 81%)9411(Top 77%)9411(Top 172%)
20M20.00 mi1.36 mi24343+1119932+449932+4422826(Top 80%)9332(Top 76%)9332(Top 171%)
21M21.00 mi1.00 mi24202+1419872+609872+6021923(Top 77%)8932(Top 73%)8932(Top 163%)
35K21.75 mi0.75 mi24145+579848+249848+2422585(Top 80%)9333(Top 76%)9333(Top 171%)
23M23.00 mi1.25 mi24032+1139812+369812+3622273(Top 78%)9215(Top 75%)9215(Top 168%)
24M24.00 mi1.00 mi23959+739785+279785+2722310(Top 79%)9299(Top 76%)9299(Top 170%)
40K24.85 mi0.85 mi23895+649761+249761+2422173(Top 78%)9295(Top 76%)9295(Top 170%)
25.2M25.20 mi0.35 mi23869+269758+39758+321604(Top 76%)8973(Top 73%)8973(Top 164%)
Finish26.22 mi1.02 mi23858+119761-39761-323078(Top 81%)9703(Top 79%)9703(Top 177%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

24748

Females

10083

F18-39

10083

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

25189

Females

10332

F18-39

10332

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

24748

Females

10083

F18-39

10083

15K→20K

9.3 - 12.4 mi

Top 84%
×5story building
+106ft-86ft

Overall

23982

Females

9698

F18-39

9698

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

24446

Females

9967

F18-39

9967

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

24169

Females

9835

F18-39

9835

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

23149

Females

9411

F18-39

9411

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

22826

Females

9332

F18-39

9332

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

21923

Females

8932

F18-39

8932

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

22585

Females

9333

F18-39

9333

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

22273

Females

9215

F18-39

9215

23M→24M

23.0 - 24.0 mi

Top 79%
×6story building
+12ft-82ft

Overall

22310

Females

9299

F18-39

9299

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22173

Females

9295

F18-39

9295

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21604

Females

8973

F18-39

8973

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

23078

Females

9703

F18-39

9703

Passing Analysis

Category:
Athletes Passed
2167
Passed By
351
Net Change
+1816
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25674
5K → 10K33082+248#25674#25426
10K → 15K28842+246#25426#25180
15K → 20K33714+323#25180#24857
20K → Half4212+30#24857#24827
Half → 25K15955+104#24827#24723
25K → 30K29122+269#24723#24454
30K → 20M12817+111#24454#24343
20M → 21M15110+141#24343#24202
21M → 35K6710+57#24202#24145
35K → 23M13017+113#24145#24032
23M → 24M8613+73#24032#23959
24M → 40K739+64#23959#23895
40K → 25.2M359+26#23895#23869
25.2M → Finish5039+11#23869#23858
TOTALS2167351+1816
📊

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