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BOSTON MARATHON 2025

Alison Balloni

Bib: 27642•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
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
9:04/mi
28:09
↑ 97↓ 3451.5%
10K· 6.21 mi
8:55/mi
55:51
↑ 79↓ 1380.4%
15K· 9.32 mi
9:05/mi
1:24:03
↑ 67↓ 78
20K· 12.43 mi
9:18/mi
1:52:56
↑ 106↓ 860.1%
Half· 13.11 mi
8:58/mi
1:59:03
↑ 19↓ 370.5%
25K· 15.53 mi
9:36/mi
2:22:19
↑ 66↓ 880.2%
30K· 18.64 mi
10:03/mi
2:53:33
↑ 181↓ 1480.2%
20M
10:13/mi
3:07:26
↑ 64↓ 500.2%
21M
11:02/mi
3:18:28
↑ 106↓ 241.6%
35K· 21.75 mi
9:48/mi
3:25:48
↑ 17↓ 861.7%
23M
10:21/mi
3:38:45
↑ 23↓ 630.6%
24M
10:04/mi
3:48:49
↓ 821.3%
40K· 24.85 mi
11:04/mi
3:58:17
↓ 200.3%
25.2M
13:38/mi
4:02:59
↑ 13↓ 160.2%
Finish· 26.22 mi
11:00/mi
4:14:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:03
Pace9:05 /mi
2nd Half
Distance13.11 mi
Time2:15:09
Pace10:19 /mi
📊Positive Split: 13.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:1128:099:0428:09
9:04
-
10K
6.21 mi12:11:5355:518:5927:42
8:55
-0:09
15K
9.32 mi12:40:051:24:039:0128:12
9:05
+0:10
20K
12.43 mi13:08:581:52:569:0528:53
9:18
+0:13
Half
13.11 mi13:15:051:59:039:056:07
8:58
-0:20
25K
15.53 mi13:38:212:22:199:1023:16
9:36
+0:38
30K
18.64 mi14:09:352:53:339:1931:14
10:03
+0:27
20M
20.00 mi14:23:283:07:269:2213:53
10:13
+0:10
21M
21.00 mi14:34:303:18:289:2711:02
11:02
+0:49
35K
21.75 mi14:41:503:25:489:287:20
9:48
-1:14
23M
23.00 mi14:54:473:38:459:3112:57
10:21
+0:33
24M
24.00 mi15:04:513:48:499:3210:04
10:04
-0:17
40K
24.85 mi15:14:193:58:179:359:28
11:04
+1:00
25.2M
25.20 mi15:19:014:02:599:394:42
13:38
+2:34
Finish
26.22 mi15:30:144:14:129:4211:13
11:00
-2:38

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

8:55 /mi

Average Pace

9:42 /mi

Slowest Pace

13:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:03

47% of race

Time at Steady Pace

1:38:44

39% of race

Time at Slower Pace

36:25

14% of race

Average Pace: 9:42 /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 mi11:44:1128:099:0428:09
9:04
#22695
10K
6.21 mi12:11:5355:518:5927:42
8:55
#22384
15K
9.32 mi12:40:051:24:039:0128:12
9:05
#22350
20K
12.43 mi13:08:581:52:569:0528:53
9:18
#22306
Half
13.11 mi13:15:051:59:039:056:07
8:58
#22271
25K
15.53 mi13:38:212:22:199:1023:16
9:36
#22293
30K
18.64 mi14:09:352:53:339:1931:14
10:03
#22194
20M
20.00 mi14:23:283:07:269:2213:53
10:13
#22154
21M
21.00 mi14:34:303:18:289:2711:02
11:02
#22088
35K
21.75 mi14:41:503:25:489:287:20
9:48
#22046
23M
23.00 mi14:54:473:38:459:3112:57
10:21
#21998
24M
24.00 mi15:04:513:48:499:3210:04
10:04
#21971
40K
24.85 mi15:14:193:58:179:359:28
11:04
#22023
25.2M
25.20 mi15:19:014:02:599:394:42
13:38
#22136
Finish
26.22 mi15:30:144:14:129:4211:13
11:00
#22250
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi226959006900622366(Top 79%)8761(Top 72%)8761(Top 160%)
10K6.21 mi3.10 mi22384+3118827+1798827+17922020(Top 78%)8609(Top 70%)8609(Top 157%)
15K9.32 mi3.11 mi22350+348778+498778+4922366(Top 79%)8761(Top 72%)8761(Top 160%)
20K12.43 mi3.11 mi22306+448763+158763+1522270(Top 78%)8735(Top 71%)8735(Top 160%)
Half13.11 mi0.68 mi22271+358750+138750+1321724(Top 76%)8443(Top 69%)8443(Top 154%)
25K15.53 mi2.42 mi22293-228759-98759-922179(Top 78%)8752(Top 72%)8752(Top 160%)
30K18.64 mi3.11 mi22194+998728+318728+3121749(Top 77%)8641(Top 71%)8641(Top 158%)
20M20.00 mi1.36 mi22154+408726+28726+221629(Top 76%)8701(Top 71%)8701(Top 159%)
21M21.00 mi1.00 mi22088+668711+158711+1521509(Top 76%)8711(Top 71%)8711(Top 159%)
35K21.75 mi0.75 mi22046+428700+118700+1121358(Top 75%)8704(Top 71%)8704(Top 159%)
23M23.00 mi1.25 mi21998+488718-188718-1821564(Top 76%)8854(Top 72%)8854(Top 162%)
24M24.00 mi1.00 mi21971+278722-48722-421552(Top 76%)8884(Top 73%)8884(Top 162%)
40K24.85 mi0.85 mi22023-528770-488770-4823316(Top 82%)9854(Top 81%)9854(Top 180%)
25.2M25.20 mi0.35 mi22136-1138842-728842-7225860(Top 91%)11110(Top 91%)11110(Top 203%)
Finish26.22 mi1.02 mi22250-1148926-848926-8425388(Top 89%)10845(Top 89%)10845(Top 198%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21story building
+97ft-345ft

Overall

22366

Females

8761

F18-39

8761

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

22020

Females

8609

F18-39

8609

10K→15K

6.2 - 9.3 mi

Top 79%
×3story building
+67ft-78ft

Overall

22366

Females

8761

F18-39

8761

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

22270

Females

8735

F18-39

8735

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

21724

Females

8443

F18-39

8443

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

22179

Females

8752

F18-39

8752

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

21749

Females

8641

F18-39

8641

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

21629

Females

8701

F18-39

8701

20M→21M

20.0 - 21.0 mi

Top 76%
×8story building
+106ft-24ft

Overall

21509

Females

8711

F18-39

8711

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

21358

Females

8704

F18-39

8704

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

21564

Females

8854

F18-39

8854

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

21552

Females

8884

F18-39

8884

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

23316

Females

9854

F18-39

9854

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

25860

Females

11110

F18-39

11110

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

25388

Females

10845

F18-39

10845

Passing Analysis

Category:
Athletes Passed
1755
Passed By
1310
Net Change
+445
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22695
5K → 10K445134+311#22695#22384
10K → 15K204170+34#22384#22350
15K → 20K192148+44#22350#22306
20K → Half5015+35#22306#22271
Half → 25K132154-22#22271#22293
25K → 30K231132+99#22293#22194
30K → 20M10060+40#22194#22154
20M → 21M10842+66#22154#22088
21M → 35K6725+42#22088#22046
35K → 23M10052+48#22046#21998
23M → 24M6841+27#21998#21971
24M → 40K3385-52#21971#22023
40K → 25.2M4117-113#22023#22136
25.2M → Finish21135-114#22136#22250
TOTALS17551310+445
📊

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