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BOSTON MARATHON 2025

Melissa Assalone

Bib: 2514•F

VA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 9%
Gender (Female)
#0 / 12228
Top 1.0%
Division (F18-39)
#0 / 5469
Top 2%
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
6:28/mi
20:06
↑ 97↓ 3451.5%
10K· 6.21 mi
6:24/mi
40:00
↑ 79↓ 1380.4%
15K· 9.32 mi
6:22/mi
59:47
↑ 67↓ 78
20K· 12.43 mi
6:24/mi
1:19:39
↑ 106↓ 860.1%
Half· 13.11 mi
6:24/mi
1:24:01
↑ 19↓ 370.5%
25K· 15.53 mi
6:27/mi
1:39:40
↑ 66↓ 880.2%
30K· 18.64 mi
6:38/mi
2:00:15
↑ 181↓ 1480.2%
20M
6:43/mi
2:09:22
↑ 64↓ 500.2%
21M
6:49/mi
2:16:11
↑ 106↓ 241.6%
35K· 21.75 mi
6:49/mi
2:21:17
↑ 17↓ 861.7%
23M
6:35/mi
2:29:32
↑ 23↓ 630.6%
24M
6:24/mi
2:35:56
↓ 821.3%
40K· 24.85 mi
6:40/mi
2:41:38
↓ 200.3%
25.2M
7:29/mi
2:44:13
↑ 13↓ 160.2%
Finish· 26.22 mi
6:34/mi
2:50:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:01
Pace6:25 /mi
2nd Half
Distance13.11 mi
Time1:26:53
Pace6:38 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5520:066:2820:06
6:28
-
10K
6.21 mi10:41:4940:006:2619:54
6:24
-0:04
15K
9.32 mi11:01:3659:476:2519:47
6:22
-0:02
20K
12.43 mi11:21:281:19:396:2519:52
6:24
+0:02
Half
13.11 mi11:25:501:24:016:254:22
6:24
0:00
25K
15.53 mi11:41:291:39:406:2515:39
6:27
+0:03
30K
18.64 mi12:02:042:00:156:2720:35
6:38
+0:11
20M
20.00 mi12:11:112:09:226:289:07
6:43
+0:05
21M
21.00 mi12:18:002:16:116:296:49
6:49
+0:06
35K
21.75 mi12:23:062:21:176:305:06
6:49
0:00
23M
23.00 mi12:31:212:29:326:308:15
6:35
-0:14
24M
24.00 mi12:37:452:35:566:306:24
6:24
-0:11
40K
24.85 mi12:43:272:41:386:305:42
6:40
+0:16
25.2M
25.20 mi12:46:022:44:136:312:35
7:29
+0:49
Finish
26.22 mi12:52:432:50:546:316:41
6:34
-0:55

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

6:22 /mi

Average Pace

6:31 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:19

98% of race

Time at Steady Pace

2:35

2% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:31 /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 mi10:21:5520:066:2820:06
6:28
#3628
10K
6.21 mi10:41:4940:006:2619:54
6:24
#3328
15K
9.32 mi11:01:3659:476:2519:47
6:22
#3109
20K
12.43 mi11:21:281:19:396:2519:52
6:24
#2922
Half
13.11 mi11:25:501:24:016:254:22
6:24
#2926
25K
15.53 mi11:41:291:39:406:2515:39
6:27
#2841
30K
18.64 mi12:02:042:00:156:2720:35
6:38
#2723
20M
20.00 mi12:11:112:09:226:289:07
6:43
#2682
21M
21.00 mi12:18:002:16:116:296:49
6:49
#2575
35K
21.75 mi12:23:062:21:176:305:06
6:49
#2618
23M
23.00 mi12:31:212:29:326:308:15
6:35
#2526
24M
24.00 mi12:37:452:35:566:306:24
6:24
#2458
40K
24.85 mi12:43:272:41:386:305:42
6:40
#2429
25.2M
25.20 mi12:46:022:44:136:312:35
7:29
#2431
Finish
26.22 mi12:52:432:50:546:316:41
6:34
#2423
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi36281791792752(Top 10%)124(Top 1%)124(Top 2%)
10K6.21 mi3.10 mi3328+300160+19160+193087(Top 11%)141(Top 1%)141(Top 3%)
15K9.32 mi3.11 mi3109+219141+19141+192752(Top 10%)124(Top 1%)124(Top 2%)
20K12.43 mi3.11 mi2922+187131+10131+102505(Top 9%)109(Top 0.9%)109(Top 2%)
Half13.11 mi0.68 mi2926-4130+1130+13109(Top 11%)133(Top 1%)133(Top 2%)
25K15.53 mi2.42 mi2841+85124+6124+62661(Top 9%)122(Top 1.0%)122(Top 2%)
30K18.64 mi3.11 mi2723+118121+3121+32529(Top 9%)128(Top 1%)128(Top 2%)
20M20.00 mi1.36 mi2682+41120+1120+12525(Top 9%)139(Top 1%)139(Top 3%)
21M21.00 mi1.00 mi2575+107114+6114+61562(Top 5%)83(Top 0.7%)83(Top 2%)
35K21.75 mi0.75 mi2618-43118-4118-44277(Top 15%)458(Top 4%)458(Top 8%)
23M23.00 mi1.25 mi2526+92116+2116+21810(Top 6%)108(Top 0.9%)108(Top 2%)
24M24.00 mi1.00 mi2458+68113+3113+31682(Top 6%)107(Top 0.9%)107(Top 2%)
40K24.85 mi0.85 mi2429+29117-4117-42266(Top 8%)178(Top 1%)178(Top 3%)
25.2M25.20 mi0.35 mi2431-2119-2119-23435(Top 12%)402(Top 3%)402(Top 7%)
Finish26.22 mi1.02 mi2423+81191193132(Top 11%)336(Top 3%)336(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21story building
+97ft-345ft

Overall

2752

Females

124

F18-39

124

5K→10K

3.1 - 6.2 mi

Top 11%
×5story building
+79ft-138ft

Overall

3087

Females

141

F18-39

141

10K→15K

6.2 - 9.3 mi

Top 10%
×3story building
+67ft-78ft

Overall

2752

Females

124

F18-39

124

15K→20K

9.3 - 12.4 mi

Top 9%
×5story building
+106ft-86ft

Overall

2505

Females

109

F18-39

109

20K→Half

12.4 - 13.1 mi

Top 11%
×2story building
+19ft-37ft

Overall

3109

Females

133

F18-39

133

Half→25K

13.1 - 15.5 mi

Top 9%
×4story building
+66ft-88ft

Overall

2661

Females

122

F18-39

122

25K→30K

15.5 - 18.6 mi

Top 9%
×9story building
+181ft-148ft

Overall

2529

Females

128

F18-39

128

30K→20M

18.6 - 20.0 mi

Top 9%
×5story building
+64ft-50ft

Overall

2525

Females

139

F18-39

139

20M→21M

20.0 - 21.0 mi

Top 5%
×8story building
+106ft-24ft

Overall

1562

Females

83

F18-39

83

21M→35K

21.0 - 21.8 mi

Top 15%
×7story building
+17ft-86ft

Overall

4277

Females

458

F18-39

458

35K→23M

21.8 - 23.0 mi

Top 6%
×5story building
+23ft-63ft

Overall

1810

Females

108

F18-39

108

23M→24M

23.0 - 24.0 mi

Top 6%
×6story building
+12ft-82ft

Overall

1682

Females

107

F18-39

107

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2266

Females

178

F18-39

178

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3435

Females

402

F18-39

402

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2story building
+22ft-21ft

Overall

3132

Females

336

F18-39

336

Passing Analysis

Category:
Athletes Passed
1561
Passed By
356
Net Change
+1205
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3628
5K → 10K34444+300#3628#3328
10K → 15K23314+219#3328#3109
15K → 20K20619+187#3109#2922
20K → Half2125-4#2922#2926
Half → 25K10924+85#2926#2841
25K → 30K15840+118#2841#2723
30K → 20M7130+41#2723#2682
20M → 21M11710+107#2682#2575
21M → 35K2164-43#2575#2618
35K → 23M1019+92#2618#2526
23M → 24M757+68#2526#2458
24M → 40K5021+29#2458#2429
40K → 25.2M1719-2#2429#2431
25.2M → Finish3830+8#2431#2423
TOTALS1561356+1205
📊

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