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BOSTON MARATHON 2025

Maitee Dufour

Bib: 18854•F

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 43%
Gender (Female)
#0 / 12228
Top 27%
Masters (Masters Women)
#0 / 6759
Top 13%
Division (F45-49)
#0 / 1813
Top 14%
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
7:34/mi
23:30
↑ 97↓ 3451.5%
10K· 6.21 mi
7:33/mi
46:57
↑ 79↓ 1380.4%
15K· 9.32 mi
7:33/mi
1:10:23
↑ 67↓ 78
20K· 12.43 mi
7:37/mi
1:34:04
↑ 106↓ 860.1%
Half· 13.11 mi
7:30/mi
1:39:11
↑ 19↓ 370.5%
25K· 15.53 mi
7:44/mi
1:57:56
↑ 66↓ 880.2%
30K· 18.64 mi
8:04/mi
2:23:01
↑ 181↓ 1480.2%
20M
8:13/mi
2:34:11
↑ 64↓ 500.2%
21M
9:02/mi
2:43:13
↑ 106↓ 241.6%
35K· 21.75 mi
7:55/mi
2:49:08
↑ 17↓ 861.7%
23M
8:20/mi
2:59:34
↑ 23↓ 630.6%
24M
8:06/mi
3:07:40
↓ 821.3%
40K· 24.85 mi
8:18/mi
3:14:46
↓ 200.3%
25.2M
9:14/mi
3:17:57
↑ 13↓ 160.2%
Finish· 26.22 mi
8:20/mi
3:26:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:11
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:47:16
Pace8:11 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:1223:307:3423:30
7:34
-
10K
6.21 mi11:37:3946:577:3323:27
7:33
-0:01
15K
9.32 mi12:01:051:10:237:3323:26
7:33
0:00
20K
12.43 mi12:24:461:34:047:3423:41
7:37
+0:04
Half
13.11 mi12:29:531:39:117:345:07
7:30
-0:07
25K
15.53 mi12:48:381:57:567:3618:45
7:44
+0:14
30K
18.64 mi13:13:432:23:017:4025:05
8:04
+0:20
20M
20.00 mi13:24:532:34:117:4311:10
8:13
+0:09
21M
21.00 mi13:33:552:43:137:469:02
9:02
+0:49
35K
21.75 mi13:39:502:49:087:475:55
7:55
-1:07
23M
23.00 mi13:50:162:59:347:4810:26
8:20
+0:25
24M
24.00 mi13:58:223:07:407:498:06
8:06
-0:14
40K
24.85 mi14:05:283:14:467:507:06
8:18
+0:12
25.2M
25.20 mi14:08:393:17:577:513:11
9:14
+0:56
Finish
26.22 mi14:17:093:26:277:538:30
8:20
-0:54

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

7:30 /mi

Average Pace

7:53 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:56

57% of race

Time at Steady Pace

57:22

28% of race

Time at Slower Pace

31:09

15% of race

Average Pace: 7:52 /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 mi11:14:1223:307:3423:30
7:34
#12809
10K
6.21 mi11:37:3946:577:3323:27
7:33
#12639
15K
9.32 mi12:01:051:10:237:3323:26
7:33
#12451
20K
12.43 mi12:24:461:34:047:3423:41
7:37
#12239
Half
13.11 mi12:29:531:39:117:345:07
7:30
#12213
25K
15.53 mi12:48:381:57:567:3618:45
7:44
#12103
30K
18.64 mi13:13:432:23:017:4025:05
8:04
#12016
20M
20.00 mi13:24:532:34:117:4311:10
8:13
#11994
21M
21.00 mi13:33:552:43:137:469:02
9:02
#12083
35K
21.75 mi13:39:502:49:087:475:55
7:55
#12048
23M
23.00 mi13:50:162:59:347:4810:26
8:20
#12025
24M
24.00 mi13:58:223:07:407:498:06
8:06
#12000
40K
24.85 mi14:05:283:14:467:507:06
8:18
#11986
25.2M
25.20 mi14:08:393:17:577:513:11
9:14
#11997
Finish
26.22 mi14:17:093:26:277:538:30
8:20
#12124
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi128093214321412146(Top 43%)2988(Top 24%)2988(Top 165%)
10K6.21 mi3.10 mi12639+1703147+673147+6712558(Top 44%)3125(Top 26%)3125(Top 172%)
15K9.32 mi3.11 mi12451+1883077+703077+7012146(Top 43%)2988(Top 24%)2988(Top 165%)
20K12.43 mi3.11 mi12239+2122999+782999+7811771(Top 41%)2877(Top 24%)2877(Top 159%)
Half13.11 mi0.68 mi12213+262998+12998+111790(Top 42%)2829(Top 23%)2829(Top 156%)
25K15.53 mi2.42 mi12103+1102972+262972+2611832(Top 42%)3035(Top 25%)3035(Top 167%)
30K18.64 mi3.11 mi12016+873003-313003-3111920(Top 42%)3254(Top 27%)3254(Top 179%)
20M20.00 mi1.36 mi11994+223034-313034-3111928(Top 42%)3404(Top 28%)3404(Top 188%)
21M21.00 mi1.00 mi12083-893116-823116-8213713(Top 48%)4466(Top 37%)4466(Top 246%)
35K21.75 mi0.75 mi12048+353122-63122-611668(Top 41%)3470(Top 28%)3470(Top 191%)
23M23.00 mi1.25 mi12025+233147-253147-2512250(Top 43%)3875(Top 32%)3875(Top 214%)
24M24.00 mi1.00 mi12000+253176-293176-2911920(Top 42%)3759(Top 31%)3759(Top 207%)
40K24.85 mi0.85 mi11986+143210-343210-3412177(Top 43%)3999(Top 33%)3999(Top 221%)
25.2M25.20 mi0.35 mi11997-113223-133223-1313117(Top 46%)4536(Top 37%)4536(Top 250%)
Finish26.22 mi1.02 mi12124-1273307-843307-8415194(Top 53%)5579(Top 46%)5579(Top 308%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

12146

Females

2988

F45-49

2988

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

12558

Females

3125

F45-49

3125

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

12146

Females

2988

F45-49

2988

15K→20K

9.3 - 12.4 mi

Top 41%
×5story building
+106ft-86ft

Overall

11771

Females

2877

F45-49

2877

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

11790

Females

2829

F45-49

2829

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

11832

Females

3035

F45-49

3035

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

11920

Females

3254

F45-49

3254

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

11928

Females

3404

F45-49

3404

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

13713

Females

4466

F45-49

4466

21M→35K

21.0 - 21.8 mi

Top 41%
×7story building
+17ft-86ft

Overall

11668

Females

3470

F45-49

3470

35K→23M

21.8 - 23.0 mi

Top 43%
×5story building
+23ft-63ft

Overall

12250

Females

3875

F45-49

3875

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

11920

Females

3759

F45-49

3759

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

12177

Females

3999

F45-49

3999

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

13117

Females

4536

F45-49

4536

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2story building
+22ft-21ft

Overall

15194

Females

5579

F45-49

5579

Passing Analysis

Category:
Athletes Passed
2125
Passed By
1440
Net Change
+685
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12809
5K → 10K375205+170#12809#12639
10K → 15K290102+188#12639#12451
15K → 20K30391+212#12451#12239
20K → Half4317+26#12239#12213
Half → 25K20595+110#12213#12103
25K → 30K287200+87#12103#12016
30K → 20M11997+22#12016#11994
20M → 21M75164-89#11994#12083
21M → 35K7944+35#12083#12048
35K → 23M11188+23#12048#12025
23M → 24M8964+25#12025#12000
24M → 40K8773+14#12000#11986
40K → 25.2M2738-11#11986#11997
25.2M → Finish35162-127#11997#12124
TOTALS21251440+685
📊

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