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BOSTON MARATHON 2025

Janice Sirois

Bib: 25369•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F60-64)
#0 / 624
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
9:31/mi
29:34
↑ 97↓ 3451.5%
10K· 6.21 mi
9:27/mi
58:56
↑ 79↓ 1380.4%
15K· 9.32 mi
9:25/mi
1:28:11
↑ 67↓ 78
20K· 12.43 mi
9:42/mi
1:58:19
↑ 106↓ 860.1%
Half· 13.11 mi
9:36/mi
2:04:52
↑ 19↓ 370.5%
25K· 15.53 mi
10:24/mi
2:30:04
↑ 66↓ 880.2%
30K· 18.64 mi
11:44/mi
3:06:32
↑ 181↓ 1480.2%
20M
11:45/mi
3:22:30
↑ 64↓ 500.2%
21M
12:42/mi
3:35:12
↑ 106↓ 241.6%
35K· 21.75 mi
11:07/mi
3:43:31
↑ 17↓ 861.7%
23M
11:48/mi
3:58:18
↑ 23↓ 630.6%
24M
10:31/mi
4:08:49
↓ 821.3%
40K· 24.85 mi
11:28/mi
4:18:37
↓ 200.3%
25.2M
12:51/mi
4:23:03
↑ 13↓ 160.2%
Finish· 26.22 mi
10:38/mi
4:33:53
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:52
Pace9:31 /mi
2nd Half
Distance13.11 mi
Time2:29:01
Pace11:22 /mi
📊Positive Split: 19.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:5829:349:3129:34
9:31
-
10K
6.21 mi11:59:2058:569:2929:22
9:27
-0:04
15K
9.32 mi12:28:351:28:119:2829:15
9:25
-0:02
20K
12.43 mi12:58:431:58:199:3130:08
9:42
+0:17
Half
13.11 mi13:05:162:04:529:316:33
9:36
-0:06
25K
15.53 mi13:30:282:30:049:4025:12
10:24
+0:48
30K
18.64 mi14:06:563:06:3210:0036:28
11:44
+1:20
20M
20.00 mi14:22:543:22:3010:0715:58
11:45
+0:01
21M
21.00 mi14:35:363:35:1210:1512:42
12:42
+0:57
35K
21.75 mi14:43:553:43:3110:178:19
11:07
-1:35
23M
23.00 mi14:58:423:58:1810:2214:47
11:48
+0:41
24M
24.00 mi15:09:134:08:4910:2210:31
10:31
-1:17
40K
24.85 mi15:19:014:18:3710:249:48
11:28
+0:57
25.2M
25.20 mi15:23:274:23:0310:264:26
12:51
+1:23
Finish
26.22 mi15:34:174:33:5310:2710:50
10:38
-2:13

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

9:25 /mi

Average Pace

10:27 /mi

Slowest Pace

12:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:52

46% of race

Time at Steady Pace

54:52

20% of race

Time at Slower Pace

1:34:09

34% of race

Average Pace: 10:27 /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 mi11:29:5829:349:3129:34
9:31
#24299
10K
6.21 mi11:59:2058:569:2929:22
9:27
#24138
15K
9.32 mi12:28:351:28:119:2829:15
9:25
#23936
20K
12.43 mi12:58:431:58:199:3130:08
9:42
#23800
Half
13.11 mi13:05:162:04:529:316:33
9:36
#23801
25K
15.53 mi13:30:282:30:049:4025:12
10:24
#23874
30K
18.64 mi14:06:563:06:3210:0036:28
11:44
#24251
20M
20.00 mi14:22:543:22:3010:0715:58
11:45
#24310
21M
21.00 mi14:35:363:35:1210:1512:42
12:42
#24345
35K
21.75 mi14:43:553:43:3110:178:19
11:07
#24352
23M
23.00 mi14:58:423:58:1810:2214:47
11:48
#24400
24M
24.00 mi15:09:134:08:4910:2210:31
10:31
#24324
40K
24.85 mi15:19:014:18:3710:249:48
11:28
#24331
25.2M
25.20 mi15:23:274:23:0310:264:26
12:51
#24340
Finish
26.22 mi15:34:174:33:5310:2710:50
10:38
#24360
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi242999849984923524(Top 83%)9392(Top 77%)9392(Top 1505%)
10K6.21 mi3.10 mi24138+1619760+899760+8923992(Top 84%)9677(Top 79%)9677(Top 1551%)
15K9.32 mi3.11 mi23936+2029640+1209640+12023524(Top 83%)9392(Top 77%)9392(Top 1505%)
20K12.43 mi3.11 mi23800+1369580+609580+6023497(Top 83%)9425(Top 77%)9425(Top 1510%)
Half13.11 mi0.68 mi23801-19580958023880(Top 84%)9641(Top 79%)9641(Top 1545%)
25K15.53 mi2.42 mi23874-739628-489628-4824170(Top 85%)9836(Top 80%)9836(Top 1576%)
30K18.64 mi3.11 mi24251-3779868-2409868-24025203(Top 89%)10512(Top 86%)10512(Top 1685%)
20M20.00 mi1.36 mi24310-599920-529920-5224921(Top 88%)10429(Top 85%)10429(Top 1671%)
21M21.00 mi1.00 mi24345-359956-369956-3624682(Top 87%)10389(Top 85%)10389(Top 1665%)
35K21.75 mi0.75 mi24352-79962-69962-624480(Top 86%)10319(Top 84%)10319(Top 1654%)
23M23.00 mi1.25 mi24400-4810004-4210004-4224789(Top 87%)10491(Top 86%)10491(Top 1681%)
24M24.00 mi1.00 mi24324+769972+329972+3222883(Top 81%)9586(Top 78%)9586(Top 1536%)
40K24.85 mi0.85 mi24331-79988-169988-1624076(Top 85%)10203(Top 83%)10203(Top 1635%)
25.2M25.20 mi0.35 mi24340-99995-79995-724857(Top 88%)10606(Top 87%)10606(Top 1700%)
Finish26.22 mi1.02 mi24360-2010026-3110026-3124589(Top 87%)10451(Top 85%)10451(Top 1675%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21story building
+97ft-345ft

Overall

23524

Females

9392

F60-64

9392

5K→10K

3.1 - 6.2 mi

Top 84%
×5story building
+79ft-138ft

Overall

23992

Females

9677

F60-64

9677

10K→15K

6.2 - 9.3 mi

Top 83%
×3story building
+67ft-78ft

Overall

23524

Females

9392

F60-64

9392

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

23497

Females

9425

F60-64

9425

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

23880

Females

9641

F60-64

9641

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

24170

Females

9836

F60-64

9836

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

25203

Females

10512

F60-64

10512

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

24921

Females

10429

F60-64

10429

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

24682

Females

10389

F60-64

10389

21M→35K

21.0 - 21.8 mi

Top 86%
×7story building
+17ft-86ft

Overall

24480

Females

10319

F60-64

10319

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

24789

Females

10491

F60-64

10491

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

22883

Females

9586

F60-64

9586

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

24076

Females

10203

F60-64

10203

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

24857

Females

10606

F60-64

10606

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

24589

Females

10451

F60-64

10451

Passing Analysis

Category:
Athletes Passed
1305
Passed By
1366
Net Change
-61
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24299
5K → 10K322161+161#24299#24138
10K → 15K26462+202#24138#23936
15K → 20K20266+136#23936#23800
20K → Half1819-1#23800#23801
Half → 25K92165-73#23801#23874
25K → 30K54431-377#23874#24251
30K → 20M52111-59#24251#24310
20M → 21M5590-35#24310#24345
21M → 35K2936-7#24345#24352
35K → 23M4593-48#24352#24400
23M → 24M9115+76#24400#24324
24M → 40K3643-7#24324#24331
40K → 25.2M1322-9#24331#24340
25.2M → Finish3252-20#24340#24360
TOTALS13051366-61
📊

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