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BOSTON MARATHON 2025

Margaux Danforth

Bib: 26563•F

MA

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

Start
0:00:00
Race begins
5K· 3.11 mi
27:30
Rank: #21766
Start → 5K
8:51/mi
27:30 split
10K· 6.21 mi
55:18
Rank: #21955 (-189)
5K → 10K
8:57/mi
27:48 split
15K· 9.32 mi
1:24:03
Rank: #22348 (-393)
10K → 15K
9:15/mi
28:45 split
20K· 12.43 mi
1:50:57
Rank: #21597 (+751)
15K → 20K
8:39/mi
26:54 split
Half· 13.11 mi
1:56:52
Rank: #21510 (+87)
20K → Half
8:40/mi
5:55 split
25K· 15.53 mi
2:18:00
Rank: #21014 (+496)
Half → 25K
8:43/mi
21:08 split
30K· 18.64 mi
2:45:36
Rank: #20300 (+714)
25K → 30K
8:53/mi
27:36 split
20M
2:57:51
Rank: #20046 (+254)
30K → 20M
9:01/mi
12:15 split
21M
3:07:10
Rank: #19762 (+284)
20M → 21M
9:19/mi
9:19 split
35K· 21.75 mi
3:14:08
Rank: #19761 (+1)
21M → 35K
9:19/mi
6:58 split
23M
3:25:41
Rank: #19624 (+137)
35K → 23M
9:13/mi
11:33 split
24M
3:34:41
Rank: #19534 (+90)
23M → 24M
9:00/mi
9:00 split
40K· 24.85 mi
3:41:58
Rank: #19321 (+213)
24M → 40K
8:31/mi
7:17 split
25.2M
3:45:11
Rank: #19215 (+106)
40K → 25.2M
9:20/mi
3:13 split
Finish· 26.22 mi
3:53:25
Rank: #19023 (+192)
25.2M → Finish
8:05/mi
8:14 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:56:52
Pace8:55 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:56:33
Pace8:53 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:0827:308:5127:30
8:51
-
10K
6.21 mi12:10:5655:188:5427:48
8:57
+0:06
15K
9.32 mi12:39:411:24:039:0128:45
9:15
+0:18
20K
12.43 mi13:06:351:50:578:5626:54
8:39
-0:36
Half
13.11 mi13:12:301:56:528:555:55
8:40
+0:01
25K
15.53 mi13:33:382:18:008:5321:08
8:43
+0:03
30K
18.64 mi14:01:142:45:368:5327:36
8:53
+0:10
20M
20.00 mi14:13:292:57:518:5412:15
9:01
+0:08
21M
21.00 mi14:22:483:07:108:559:19
9:19
+0:18
35K
21.75 mi14:29:463:14:088:566:58
9:19
0:00
23M
23.00 mi14:41:193:25:418:5711:33
9:13
-0:06
24M
24.00 mi14:50:193:34:418:579:00
9:00
-0:13
40K
24.85 mi14:57:363:41:588:567:17
8:31
-0:29
25.2M
25.20 mi15:00:493:45:118:563:13
9:20
+0:49
Finish
26.22 mi15:09:033:53:258:558:14
8:05
-1:15

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

8:05 /mi

Average Pace

8:55 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:34

53% of race

Time at Steady Pace

1:48:51

47% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:54 /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 mi11:43:0827:308:5127:30
8:51
#21766
10K
6.21 mi12:10:5655:188:5427:48
8:57
#21955
15K
9.32 mi12:39:411:24:039:0128:45
9:15
#22348
20K
12.43 mi13:06:351:50:578:5626:54
8:39
#21597
Half
13.11 mi13:12:301:56:528:555:55
8:40
#21510
25K
15.53 mi13:33:382:18:008:5321:08
8:43
#21014
30K
18.64 mi14:01:142:45:368:5327:36
8:53
#20300
20M
20.00 mi14:13:292:57:518:5412:15
9:01
#20046
21M
21.00 mi14:22:483:07:108:559:19
9:19
#19762
35K
21.75 mi14:29:463:14:088:566:58
9:19
#19761
23M
23.00 mi14:41:193:25:418:5711:33
9:13
#19624
24M
24.00 mi14:50:193:34:418:579:00
9:00
#19534
40K
24.85 mi14:57:363:41:588:567:17
8:31
#19321
25.2M
25.20 mi15:00:493:45:118:563:13
9:20
#19215
Finish
26.22 mi15:09:033:53:258:558:14
8:05
#19023
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi217668494849423054(Top 81%)9121(Top 75%)9121(Top 167%)
10K6.21 mi3.10 mi21955-1898581-878581-8722146(Top 78%)8679(Top 71%)8679(Top 159%)
15K9.32 mi3.11 mi22348-3938776-1958776-19523054(Top 81%)9121(Top 75%)9121(Top 167%)
20K12.43 mi3.11 mi21597+7518378+3988378+39819197(Top 68%)7022(Top 57%)7022(Top 128%)
Half13.11 mi0.68 mi21510+878320+588320+5820225(Top 71%)7598(Top 62%)7598(Top 139%)
25K15.53 mi2.42 mi21014+4968042+2788042+27818512(Top 65%)6713(Top 55%)6713(Top 123%)
30K18.64 mi3.11 mi20300+7147699+3437699+34317082(Top 60%)6073(Top 50%)6073(Top 111%)
20M20.00 mi1.36 mi20046+2547572+1277572+12716888(Top 59%)6087(Top 50%)6087(Top 111%)
21M21.00 mi1.00 mi19762+2847435+1377435+13715279(Top 54%)5343(Top 44%)5343(Top 98%)
35K21.75 mi0.75 mi19761+17454-197454-1919637(Top 69%)7785(Top 64%)7785(Top 142%)
23M23.00 mi1.25 mi19624+1377409+457409+4517473(Top 62%)6711(Top 55%)6711(Top 123%)
24M24.00 mi1.00 mi19534+907380+297380+2917398(Top 61%)6711(Top 55%)6711(Top 123%)
40K24.85 mi0.85 mi19321+2137275+1057275+10513614(Top 48%)4780(Top 39%)4780(Top 87%)
25.2M25.20 mi0.35 mi19215+1067231+447231+4413734(Top 48%)4914(Top 40%)4914(Top 90%)
Finish26.22 mi1.02 mi19023+1927145+867145+8613503(Top 48%)4711(Top 39%)4711(Top 86%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

23054

Females

9121

F18-39

9121

5K→10K

3.1 - 6.2 mi

Top 78%
×5stories
+79ft-138ft

Overall

22146

Females

8679

F18-39

8679

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

23054

Females

9121

F18-39

9121

15K→20K

9.3 - 12.4 mi

Top 68%
×5stories
+106ft-86ft

Overall

19197

Females

7022

F18-39

7022

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

20225

Females

7598

F18-39

7598

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

18512

Females

6713

F18-39

6713

25K→30K

15.5 - 18.6 mi

Top 60%
×9stories
+181ft-148ft

Overall

17082

Females

6073

F18-39

6073

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

16888

Females

6087

F18-39

6087

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

15279

Females

5343

F18-39

5343

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

19637

Females

7785

F18-39

7785

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

17473

Females

6711

F18-39

6711

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

17398

Females

6711

F18-39

6711

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13614

Females

4780

F18-39

4780

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

13734

Females

4914

F18-39

4914

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

13503

Females

4711

F18-39

4711

Passing Analysis

Category:
Athletes Passed
3723
Passed By
980
Net Change
+2743
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21766
5K → 10K189378-189#21766#21955
10K → 15K93486-393#21955#22348
15K → 20K7554+751#22348#21597
20K → Half903+87#21597#21510
Half → 25K4971+496#21510#21014
25K → 30K7195+714#21014#20300
30K → 20M2617+254#20300#20046
20M → 21M2862+284#20046#19762
21M → 35K4645+1#19762#19761
35K → 23M16831+137#19761#19624
23M → 24M10515+90#19624#19534
24M → 40K2152+213#19534#19321
40K → 25.2M1060+106#19321#19215
25.2M → Finish1931+192#19215#19023
TOTALS3723980+2743
📊

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