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BOSTON MARATHON 2025

Erin Bellissimo

Bib: 15777•F

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 22%
Gender (Female)
#0 / 12228
Top 6%
Masters (Masters Women)
#0 / 6759
Top 2%
Division (F40-44)
#0 / 1718
Top 4%
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
7:04/mi
21:56
↑ 97↓ 3451.5%
10K· 6.21 mi
6:57/mi
43:33
↑ 79↓ 1380.4%
15K· 9.32 mi
6:56/mi
1:05:05
↑ 67↓ 78
20K· 12.43 mi
7:12/mi
1:27:26
↑ 106↓ 860.1%
Half· 13.11 mi
7:08/mi
1:32:18
↑ 19↓ 370.5%
25K· 15.53 mi
7:10/mi
1:49:41
↑ 66↓ 880.2%
30K· 18.64 mi
7:14/mi
2:12:08
↑ 181↓ 1480.2%
20M
7:25/mi
2:22:13
↑ 64↓ 500.2%
21M
7:54/mi
2:30:07
↑ 106↓ 241.6%
35K· 21.75 mi
7:24/mi
2:35:39
↑ 17↓ 861.7%
23M
7:25/mi
2:44:56
↑ 23↓ 630.6%
24M
7:10/mi
2:52:06
↓ 821.3%
40K· 24.85 mi
7:06/mi
2:58:10
↓ 200.3%
25.2M
7:41/mi
3:00:49
↑ 13↓ 160.2%
Finish· 26.22 mi
6:25/mi
3:07:21
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:18
Pace7:02 /mi
2nd Half
Distance13.11 mi
Time1:35:03
Pace7:15 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:4821:567:0421:56
7:04
-
10K
6.21 mi11:14:2543:337:0121:37
6:57
-0:07
15K
9.32 mi11:35:571:05:056:5921:32
6:56
-0:01
20K
12.43 mi11:58:181:27:267:0222:21
7:12
+0:16
Half
13.11 mi12:03:101:32:187:024:52
7:08
-0:04
25K
15.53 mi12:20:331:49:417:0417:23
7:10
+0:02
30K
18.64 mi12:43:002:12:087:0522:27
7:14
+0:04
20M
20.00 mi12:53:052:22:137:0710:05
7:25
+0:11
21M
21.00 mi13:00:592:30:077:097:54
7:54
+0:29
35K
21.75 mi13:06:312:35:397:095:32
7:24
-0:30
23M
23.00 mi13:15:482:44:567:109:17
7:25
+0:01
24M
24.00 mi13:22:582:52:067:107:10
7:10
-0:15
40K
24.85 mi13:29:022:58:107:106:04
7:06
-0:04
25.2M
25.20 mi13:31:413:00:497:112:39
7:41
+0:35
Finish
26.22 mi13:38:133:07:217:096:32
6:25
-1:16

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

6:25 /mi

Average Pace

7:09 /mi

Slowest Pace

7:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

49:41

27% of race

Time at Steady Pace

1:42:13

55% of race

Time at Slower Pace

35:27

19% of race

Average Pace: 7:09 /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 mi10:52:4821:567:0421:56
7:04
#8313
10K
6.21 mi11:14:2543:337:0121:37
6:57
#7922
15K
9.32 mi11:35:571:05:056:5921:32
6:56
#7648
20K
12.43 mi11:58:181:27:267:0222:21
7:12
#7729
Half
13.11 mi12:03:101:32:187:024:52
7:08
#7762
25K
15.53 mi12:20:331:49:417:0417:23
7:10
#7661
30K
18.64 mi12:43:002:12:087:0522:27
7:14
#7269
20M
20.00 mi12:53:052:22:137:0710:05
7:25
#7139
21M
21.00 mi13:00:592:30:077:097:54
7:54
#7052
35K
21.75 mi13:06:312:35:397:095:32
7:24
#7051
23M
23.00 mi13:15:482:44:567:109:17
7:25
#6920
24M
24.00 mi13:22:582:52:067:107:10
7:10
#6785
40K
24.85 mi13:29:022:58:107:106:04
7:06
#6631
25.2M
25.20 mi13:31:413:00:497:112:39
7:41
#6557
Finish
26.22 mi13:38:133:07:217:096:32
6:25
#6318
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi8313109910997175(Top 25%)778(Top 6%)778(Top 45%)
10K6.21 mi3.10 mi7922+391973+126973+1267653(Top 27%)885(Top 7%)885(Top 52%)
15K9.32 mi3.11 mi7648+274888+85888+857175(Top 25%)778(Top 6%)778(Top 45%)
20K12.43 mi3.11 mi7729-81924-36924-368161(Top 29%)1165(Top 10%)1165(Top 68%)
Half13.11 mi0.68 mi7762-33940-16940-168575(Top 30%)1296(Top 11%)1296(Top 75%)
25K15.53 mi2.42 mi7661+101929+11929+117402(Top 26%)998(Top 8%)998(Top 58%)
30K18.64 mi3.11 mi7269+392852+77852+776047(Top 21%)688(Top 6%)688(Top 40%)
20M20.00 mi1.36 mi7139+130839+13839+136520(Top 23%)964(Top 8%)964(Top 56%)
21M21.00 mi1.00 mi7052+87843-4843-46800(Top 24%)1215(Top 10%)1215(Top 71%)
35K21.75 mi0.75 mi7051+1865-22865-227913(Top 28%)1630(Top 13%)1630(Top 95%)
23M23.00 mi1.25 mi6920+131857+8857+86149(Top 22%)1074(Top 9%)1074(Top 63%)
24M24.00 mi1.00 mi6785+135849+8849+85634(Top 20%)934(Top 8%)934(Top 54%)
40K24.85 mi0.85 mi6631+154830+19830+194487(Top 16%)634(Top 5%)634(Top 37%)
25.2M25.20 mi0.35 mi6557+74818+12818+124341(Top 15%)663(Top 5%)663(Top 39%)
Finish26.22 mi1.02 mi6318+239763+55763+552401(Top 8%)207(Top 2%)207(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21story building
+97ft-345ft

Overall

7175

Females

778

F40-44

778

5K→10K

3.1 - 6.2 mi

Top 27%
×5story building
+79ft-138ft

Overall

7653

Females

885

F40-44

885

10K→15K

6.2 - 9.3 mi

Top 25%
×3story building
+67ft-78ft

Overall

7175

Females

778

F40-44

778

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

8161

Females

1165

F40-44

1165

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8575

Females

1296

F40-44

1296

Half→25K

13.1 - 15.5 mi

Top 26%
×4story building
+66ft-88ft

Overall

7402

Females

998

F40-44

998

25K→30K

15.5 - 18.6 mi

Top 21%
×9story building
+181ft-148ft

Overall

6047

Females

688

F40-44

688

30K→20M

18.6 - 20.0 mi

Top 23%
×5story building
+64ft-50ft

Overall

6520

Females

964

F40-44

964

20M→21M

20.0 - 21.0 mi

Top 24%
×8story building
+106ft-24ft

Overall

6800

Females

1215

F40-44

1215

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

7913

Females

1630

F40-44

1630

35K→23M

21.8 - 23.0 mi

Top 22%
×5story building
+23ft-63ft

Overall

6149

Females

1074

F40-44

1074

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5634

Females

934

F40-44

934

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4487

Females

634

F40-44

634

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4341

Females

663

F40-44

663

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2story building
+22ft-21ft

Overall

2401

Females

207

F40-44

207

Passing Analysis

Category:
Athletes Passed
2599
Passed By
604
Net Change
+1995
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8313
5K → 10K47079+391#8313#7922
10K → 15K30228+274#7922#7648
15K → 20K114195-81#7648#7729
20K → Half1346-33#7729#7762
Half → 25K16362+101#7762#7661
25K → 30K41927+392#7661#7269
30K → 20M15626+130#7269#7139
20M → 21M13144+87#7139#7052
21M → 35K4948+1#7052#7051
35K → 23M15827+131#7051#6920
23M → 24M14813+135#6920#6785
24M → 40K1584+154#6785#6631
40K → 25.2M773+74#6631#6557
25.2M → Finish2412+239#6557#6318
TOTALS2599604+1995
📊

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