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BOSTON MARATHON 2025

Melyssa Brochu

Bib: 18606•F

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 46%
Gender (Female)
#0 / 12228
Top 31%
Masters (Masters Women)
#0 / 6759
Top 16%
Division (F40-44)
#0 / 1718
Top 33%
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
7:41/mi
23:53
↑ 97↓ 3451.5%
10K· 6.21 mi
7:36/mi
47:29
↑ 79↓ 1380.4%
15K· 9.32 mi
7:37/mi
1:11:10
↑ 67↓ 78
20K· 12.43 mi
7:38/mi
1:34:54
↑ 106↓ 860.1%
Half· 13.11 mi
7:39/mi
1:40:07
↑ 19↓ 370.5%
25K· 15.53 mi
7:45/mi
1:58:55
↑ 66↓ 880.2%
30K· 18.64 mi
8:12/mi
2:24:25
↑ 181↓ 1480.2%
20M
8:13/mi
2:35:35
↑ 64↓ 500.2%
21M
8:42/mi
2:44:17
↑ 106↓ 241.6%
35K· 21.75 mi
8:28/mi
2:50:37
↑ 17↓ 861.7%
23M
8:37/mi
3:01:24
↑ 23↓ 630.6%
24M
8:46/mi
3:10:10
↓ 821.3%
40K· 24.85 mi
8:49/mi
3:17:42
↓ 200.3%
25.2M
9:34/mi
3:21:00
↑ 13↓ 160.2%
Finish· 26.22 mi
8:12/mi
3:29:21
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:07
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time1:49:14
Pace8:20 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:5023:537:4123:53
7:41
-
10K
6.21 mi11:38:2647:297:3923:36
7:36
-0:05
15K
9.32 mi12:02:071:11:107:3823:41
7:37
+0:01
20K
12.43 mi12:25:511:34:547:3823:44
7:38
+0:01
Half
13.11 mi12:31:041:40:077:385:13
7:39
+0:01
25K
15.53 mi12:49:521:58:557:3918:48
7:45
+0:06
30K
18.64 mi13:15:222:24:257:4525:30
8:12
+0:27
20M
20.00 mi13:26:322:35:357:4711:10
8:13
+0:01
21M
21.00 mi13:35:142:44:177:498:42
8:42
+0:29
35K
21.75 mi13:41:342:50:377:516:20
8:28
-0:14
23M
23.00 mi13:52:213:01:247:5310:47
8:37
+0:09
24M
24.00 mi14:01:073:10:107:558:46
8:46
+0:09
40K
24.85 mi14:08:393:17:427:577:32
8:49
+0:03
25.2M
25.20 mi14:11:573:21:007:593:18
9:34
+0:45
Finish
26.22 mi14:20:183:29:217:598:21
8:12
-1:22

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

7:36 /mi

Average Pace

7:59 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:55

57% of race

Time at Steady Pace

51:21

25% of race

Time at Slower Pace

39:05

19% of race

Average Pace: 7:59 /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 mi11:14:5023:537:4123:53
7:41
#13882
10K
6.21 mi11:38:2647:297:3923:36
7:36
#13416
15K
9.32 mi12:02:071:11:107:3823:41
7:37
#13191
20K
12.43 mi12:25:511:34:547:3823:44
7:38
#12802
Half
13.11 mi12:31:041:40:077:385:13
7:39
#12818
25K
15.53 mi12:49:521:58:557:3918:48
7:45
#12646
30K
18.64 mi13:15:222:24:257:4525:30
8:12
#12638
20M
20.00 mi13:26:322:35:357:4711:10
8:13
#12558
21M
21.00 mi13:35:142:44:177:498:42
8:42
#12490
35K
21.75 mi13:41:342:50:377:516:20
8:28
#12580
23M
23.00 mi13:52:213:01:247:5310:47
8:37
#12659
24M
24.00 mi14:01:073:10:107:558:46
8:46
#12829
40K
24.85 mi14:08:393:17:427:577:32
8:49
#12929
25.2M
25.20 mi14:11:573:21:007:593:18
9:34
#12976
Finish
26.22 mi14:20:183:29:217:598:21
8:12
#13028
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi138823828382812822(Top 45%)3347(Top 27%)3347(Top 195%)
10K6.21 mi3.10 mi13416+4663601+2273601+22713003(Top 46%)3370(Top 28%)3370(Top 196%)
15K9.32 mi3.11 mi13191+2253508+933508+9312822(Top 45%)3347(Top 27%)3347(Top 195%)
20K12.43 mi3.11 mi12802+3893331+1773331+17711888(Top 42%)2945(Top 24%)2945(Top 171%)
Half13.11 mi0.68 mi12818-163347-163347-1613040(Top 46%)3526(Top 29%)3526(Top 205%)
25K15.53 mi2.42 mi12646+1723273+743273+7412000(Top 42%)3122(Top 26%)3122(Top 182%)
30K18.64 mi3.11 mi12638+83342-693342-6912892(Top 45%)3770(Top 31%)3770(Top 219%)
20M20.00 mi1.36 mi12558+803340+23340+211938(Top 42%)3414(Top 28%)3414(Top 199%)
21M21.00 mi1.00 mi12490+683334+63334+611703(Top 41%)3453(Top 28%)3453(Top 201%)
35K21.75 mi0.75 mi12580-903407-733407-7315255(Top 54%)5366(Top 44%)5366(Top 312%)
23M23.00 mi1.25 mi12659-793478-713478-7114019(Top 49%)4797(Top 39%)4797(Top 279%)
24M24.00 mi1.00 mi12829-1703604-1263604-12616123(Top 57%)5992(Top 49%)5992(Top 349%)
40K24.85 mi0.85 mi12929-1003698-943698-9415254(Top 54%)5656(Top 46%)5656(Top 329%)
25.2M25.20 mi0.35 mi12976-473728-303728-3014966(Top 53%)5513(Top 45%)5513(Top 321%)
Finish26.22 mi1.02 mi13028-523777-493777-4914237(Top 50%)5061(Top 41%)5061(Top 295%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

12822

Females

3347

F40-44

3347

5K→10K

3.1 - 6.2 mi

Top 46%
×5story building
+79ft-138ft

Overall

13003

Females

3370

F40-44

3370

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

12822

Females

3347

F40-44

3347

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

11888

Females

2945

F40-44

2945

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

13040

Females

3526

F40-44

3526

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

12000

Females

3122

F40-44

3122

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12892

Females

3770

F40-44

3770

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

11938

Females

3414

F40-44

3414

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

11703

Females

3453

F40-44

3453

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

15255

Females

5366

F40-44

5366

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

14019

Females

4797

F40-44

4797

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

16123

Females

5992

F40-44

5992

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

15254

Females

5656

F40-44

5656

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14966

Females

5513

F40-44

5513

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

14237

Females

5061

F40-44

5061

Passing Analysis

Category:
Athletes Passed
2408
Passed By
1554
Net Change
+854
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13882
5K → 10K577111+466#13882#13416
10K → 15K32196+225#13416#13191
15K → 20K43647+389#13191#12802
20K → Half2743-16#12802#12818
Half → 25K23462+172#12818#12646
25K → 30K241233+8#12646#12638
30K → 20M14262+80#12638#12558
20M → 21M14274+68#12558#12490
21M → 35K47137-90#12490#12580
35K → 23M88167-79#12580#12659
23M → 24M35205-170#12659#12829
24M → 40K46146-100#12829#12929
40K → 25.2M2168-47#12929#12976
25.2M → Finish51103-52#12976#13028
TOTALS24081554+854
📊

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