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BOSTON MARATHON 2025

Marie-Christine Brazeau

Bib: 14318•F

QC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 44%
Gender (Female)
#0 / 12228
Top 29%
Division (F18-39)
#0 / 5469
Top 48%
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
7:52/mi
24:26
↑ 97↓ 3451.5%
10K· 6.21 mi
7:45/mi
48:32
↑ 79↓ 1380.4%
15K· 9.32 mi
7:45/mi
1:12:38
↑ 67↓ 78
20K· 12.43 mi
7:52/mi
1:37:04
↑ 106↓ 860.1%
Half· 13.11 mi
7:48/mi
1:42:23
↑ 19↓ 370.5%
25K· 15.53 mi
7:51/mi
2:01:25
↑ 66↓ 880.2%
30K· 18.64 mi
8:07/mi
2:26:39
↑ 181↓ 1480.2%
20M
8:08/mi
2:37:42
↑ 64↓ 500.2%
21M
8:31/mi
2:46:13
↑ 106↓ 241.6%
35K· 21.75 mi
7:57/mi
2:52:10
↑ 17↓ 861.7%
23M
8:10/mi
3:02:24
↑ 23↓ 630.6%
24M
8:01/mi
3:10:25
↓ 821.3%
40K· 24.85 mi
7:55/mi
3:17:11
↓ 200.3%
25.2M
8:39/mi
3:20:10
↑ 13↓ 160.2%
Finish· 26.22 mi
7:47/mi
3:28:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:23
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time1:45:43
Pace8:04 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:1724:267:5224:26
7:52
-
10K
6.21 mi11:20:2348:327:4924:06
7:45
-0:07
15K
9.32 mi11:44:291:12:387:4824:06
7:45
0:00
20K
12.43 mi12:08:551:37:047:4924:26
7:52
+0:07
Half
13.11 mi12:14:141:42:237:495:19
7:48
-0:04
25K
15.53 mi12:33:162:01:257:4919:02
7:51
+0:03
30K
18.64 mi12:58:302:26:397:5225:14
8:07
+0:16
20M
20.00 mi13:09:332:37:427:5311:03
8:08
+0:01
21M
21.00 mi13:18:042:46:137:558:31
8:31
+0:23
35K
21.75 mi13:24:012:52:107:555:57
7:57
-0:34
23M
23.00 mi13:34:153:02:247:5610:14
8:10
+0:13
24M
24.00 mi13:42:163:10:257:568:01
8:01
-0:09
40K
24.85 mi13:49:023:17:117:566:46
7:55
-0:06
25.2M
25.20 mi13:52:013:20:107:572:59
8:39
+0:44
Finish
26.22 mi13:59:573:28:067:577:56
7:47
-0:52

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

7:45 /mi

Average Pace

7:57 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:25:07

99% of race

Time at Steady Pace

2:59

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:56 /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 mi10:56:1724:267:5224:26
7:52
#15377
10K
6.21 mi11:20:2348:327:4924:06
7:45
#14882
15K
9.32 mi11:44:291:12:387:4824:06
7:45
#14564
20K
12.43 mi12:08:551:37:047:4924:26
7:52
#14352
Half
13.11 mi12:14:141:42:237:495:19
7:48
#14325
25K
15.53 mi12:33:162:01:257:4919:02
7:51
#14013
30K
18.64 mi12:58:302:26:397:5225:14
8:07
#13619
20M
20.00 mi13:09:332:37:427:5311:03
8:08
#13412
21M
21.00 mi13:18:042:46:137:558:31
8:31
#13206
35K
21.75 mi13:24:012:52:107:555:57
7:57
#13148
23M
23.00 mi13:34:153:02:247:5610:14
8:10
#13010
24M
24.00 mi13:42:163:10:257:568:01
8:01
#12921
40K
24.85 mi13:49:023:17:117:566:46
7:55
#12761
25.2M
25.20 mi13:52:013:20:107:572:59
8:39
#12697
Finish
26.22 mi13:59:573:28:067:577:56
7:47
#12620
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi153774762476214005(Top 49%)4017(Top 33%)4017(Top 73%)
10K6.21 mi3.10 mi14882+4954480+2824480+28214414(Top 51%)4196(Top 34%)4196(Top 77%)
15K9.32 mi3.11 mi14564+3184293+1874293+18714005(Top 49%)4017(Top 33%)4017(Top 73%)
20K12.43 mi3.11 mi14352+2124204+894204+8913797(Top 49%)3978(Top 33%)3978(Top 73%)
Half13.11 mi0.68 mi14325+274194+104194+1014221(Top 50%)4172(Top 34%)4172(Top 76%)
25K15.53 mi2.42 mi14013+3124051+1434051+14312770(Top 45%)3541(Top 29%)3541(Top 65%)
30K18.64 mi3.11 mi13619+3943891+1603891+16012257(Top 43%)3419(Top 28%)3419(Top 63%)
20M20.00 mi1.36 mi13412+2073811+803811+8011368(Top 40%)3122(Top 26%)3122(Top 57%)
21M21.00 mi1.00 mi13206+2063726+853726+8510619(Top 37%)2922(Top 24%)2922(Top 53%)
35K21.75 mi0.75 mi13148+583707+193707+1911975(Top 42%)3632(Top 30%)3632(Top 66%)
23M23.00 mi1.25 mi13010+1383671+363671+3611223(Top 40%)3340(Top 27%)3340(Top 61%)
24M24.00 mi1.00 mi12921+893661+103661+1011390(Top 40%)3513(Top 29%)3513(Top 64%)
40K24.85 mi0.85 mi12761+1603596+653596+659619(Top 34%)2744(Top 22%)2744(Top 50%)
25.2M25.20 mi0.35 mi12697+643573+233573+239813(Top 35%)2939(Top 24%)2939(Top 54%)
Finish26.22 mi1.02 mi12620+773564+93564+911353(Top 40%)3639(Top 30%)3639(Top 67%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

14005

Females

4017

F18-39

4017

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

14414

Females

4196

F18-39

4196

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

14005

Females

4017

F18-39

4017

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

13797

Females

3978

F18-39

3978

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

14221

Females

4172

F18-39

4172

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

12770

Females

3541

F18-39

3541

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

12257

Females

3419

F18-39

3419

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

11368

Females

3122

F18-39

3122

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

10619

Females

2922

F18-39

2922

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

11975

Females

3632

F18-39

3632

35K→23M

21.8 - 23.0 mi

Top 40%
×5story building
+23ft-63ft

Overall

11223

Females

3340

F18-39

3340

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

11390

Females

3513

F18-39

3513

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9619

Females

2744

F18-39

2744

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9813

Females

2939

F18-39

2939

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

11353

Females

3639

F18-39

3639

Passing Analysis

Category:
Athletes Passed
3344
Passed By
587
Net Change
+2757
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15377
5K → 10K609114+495#15377#14882
10K → 15K39072+318#14882#14564
15K → 20K31199+212#14564#14352
20K → Half4518+27#14352#14325
Half → 25K34028+312#14325#14013
25K → 30K45864+394#14013#13619
30K → 20M23023+207#13619#13412
20M → 21M22115+206#13412#13206
21M → 35K8426+58#13206#13148
35K → 23M17739+138#13148#13010
23M → 24M12435+89#13010#12921
24M → 40K17010+160#12921#12761
40K → 25.2M728+64#12761#12697
25.2M → Finish11336+77#12697#12620
TOTALS3344587+2757
📊

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