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BOSTON MARATHON 2025

Sue Masters

Bib: 23879•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
Top 40%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:27
Rank: #19965
Start → 5K
26:27 | 8:31/mi
10K· 6.21 mi
53:44
Rank: #20650 (-685)
5K → 10K
27:17 | 8:47/mi
15K· 9.32 mi
1:21:03
Rank: #20739 (-89)
10K → 15K
27:19 | 8:48/mi
20K· 12.43 mi
1:50:58
Rank: #21601 (-862)
15K → 20K
29:55 | 9:38/mi
Half· 13.11 mi
1:56:59
Rank: #21573 (+28)
20K → Half
6:01 | 8:49/mi
25K· 15.53 mi
2:18:59
Rank: #21331 (+242)
Half → 25K
22:00 | 9:04/mi
30K· 18.64 mi
2:49:47
Rank: #21360 (-29)
25K → 30K
30:48 | 9:55/mi
20M
3:02:14
Rank: #21083 (+277)
30K → 20M
12:27 | 9:10/mi
21M
3:11:50
Rank: #20807 (+276)
20M → 21M
9:36 | 9:36/mi
35K· 21.75 mi
3:18:22
Rank: #20665 (+142)
21M → 35K
6:32 | 8:44/mi
23M
3:29:46
Rank: #20464 (+201)
35K → 23M
11:24 | 9:06/mi
24M
3:38:25
Rank: #20292 (+172)
23M → 24M
8:39 | 8:39/mi
40K· 24.85 mi
3:45:50
Rank: #20107 (+185)
24M → 40K
7:25 | 8:40/mi
25.2M
3:49:08
Rank: #20021 (+86)
40K → 25.2M
3:18 | 9:34/mi
Finish· 26.22 mi
3:57:07
Rank: #19764 (+257)
25.2M → Finish
7:59 | 7:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:59
Pace8:55 /mi
2nd Half
Distance13.11 mi
Time2:00:08
Pace9:10 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:4826:278:3126:27
8:31
-
10K
6.21 mi11:52:0553:448:3927:17
8:47
+0:16
15K
9.32 mi12:19:241:21:038:4227:19
8:48
+0:01
20K
12.43 mi12:49:191:50:588:5629:55
9:38
+0:50
Half
13.11 mi12:55:201:56:598:556:01
8:49
-0:49
25K
15.53 mi13:17:202:18:598:5722:00
9:04
+0:15
30K
18.64 mi13:48:082:49:479:0630:48
9:55
+0:51
20M
20.00 mi14:00:353:02:149:0712:27
9:10
-0:45
21M
21.00 mi14:10:113:11:509:089:36
9:36
+0:26
35K
21.75 mi14:16:433:18:229:076:32
8:44
-0:52
23M
23.00 mi14:28:073:29:469:0711:24
9:06
+0:22
24M
24.00 mi14:36:463:38:259:068:39
8:39
-0:27
40K
24.85 mi14:44:113:45:509:057:25
8:40
+0:01
25.2M
25.20 mi14:47:293:49:089:063:18
9:34
+0:54
Finish
26.22 mi14:55:283:57:079:037:59
7:50
-1:44

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

7:50 /mi

Average Pace

9:03 /mi

Slowest Pace

9:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

34:26

15% of race

Time at Steady Pace

1:45:13

44% of race

Time at Slower Pace

1:37:28

41% of race

Average Pace: 9:03 /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 mi11:24:4826:278:3126:27
8:31
#19965
10K
6.21 mi11:52:0553:448:3927:17
8:47
#20650
15K
9.32 mi12:19:241:21:038:4227:19
8:48
#20739
20K
12.43 mi12:49:191:50:588:5629:55
9:38
#21601
Half
13.11 mi12:55:201:56:598:556:01
8:49
#21573
25K
15.53 mi13:17:202:18:598:5722:00
9:04
#21331
30K
18.64 mi13:48:082:49:479:0630:48
9:55
#21360
20M
20.00 mi14:00:353:02:149:0712:27
9:10
#21083
21M
21.00 mi14:10:113:11:509:089:36
9:36
#20807
35K
21.75 mi14:16:433:18:229:076:32
8:44
#20665
23M
23.00 mi14:28:073:29:469:0711:24
9:06
#20464
24M
24.00 mi14:36:463:38:259:068:39
8:39
#20292
40K
24.85 mi14:44:113:45:509:057:25
8:40
#20107
25.2M
25.20 mi14:47:293:49:089:063:18
9:34
#20021
Finish
26.22 mi14:55:283:57:079:037:59
7:50
#19764
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi199657481748120996(Top 74%)8000(Top 65%)8000(Top 805%)
10K6.21 mi3.10 mi20650-6857864-3837864-38321326(Top 75%)8209(Top 67%)8209(Top 826%)
15K9.32 mi3.11 mi20739-897887-237887-2320996(Top 74%)8000(Top 65%)8000(Top 805%)
20K12.43 mi3.11 mi21601-8628380-4938380-49323297(Top 82%)9299(Top 76%)9299(Top 936%)
Half13.11 mi0.68 mi21573+288364+168364+1621012(Top 74%)8045(Top 66%)8045(Top 809%)
25K15.53 mi2.42 mi21331+2428230+1348230+13420243(Top 71%)7670(Top 63%)7670(Top 772%)
30K18.64 mi3.11 mi21360-298280-508280-5021351(Top 75%)8422(Top 69%)8422(Top 847%)
20M20.00 mi1.36 mi21083+2778153+1278153+12717625(Top 62%)6489(Top 53%)6489(Top 653%)
21M21.00 mi1.00 mi20807+2768014+1398014+13916586(Top 58%)6032(Top 49%)6032(Top 607%)
35K21.75 mi0.75 mi20665+1427956+587956+5816958(Top 60%)6328(Top 52%)6328(Top 637%)
23M23.00 mi1.25 mi20464+2017867+897867+8916880(Top 59%)6387(Top 52%)6387(Top 643%)
24M24.00 mi1.00 mi20292+1727797+707797+7015492(Top 55%)5654(Top 46%)5654(Top 569%)
40K24.85 mi0.85 mi20107+1857721+767721+7614525(Top 51%)5270(Top 43%)5270(Top 530%)
25.2M25.20 mi0.35 mi20021+867680+417680+4115058(Top 53%)5605(Top 46%)5605(Top 564%)
Finish26.22 mi1.02 mi19764+2577551+1297551+12911735(Top 41%)3826(Top 31%)3826(Top 385%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

20996

Females

8000

F55-59

8000

5K→10K

3.1 - 6.2 mi

Top 75%
×5stories
+79ft-138ft

Overall

21326

Females

8209

F55-59

8209

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

20996

Females

8000

F55-59

8000

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

23297

Females

9299

F55-59

9299

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

21012

Females

8045

F55-59

8045

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

20243

Females

7670

F55-59

7670

25K→30K

15.5 - 18.6 mi

Top 75%
×9stories
+181ft-148ft

Overall

21351

Females

8422

F55-59

8422

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

17625

Females

6489

F55-59

6489

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

16586

Females

6032

F55-59

6032

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

16958

Females

6328

F55-59

6328

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

16880

Females

6387

F55-59

6387

23M→24M

23.0 - 24.0 mi

Top 55%
×6stories
+12ft-82ft

Overall

15492

Females

5654

F55-59

5654

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

14525

Females

5270

F55-59

5270

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

15058

Females

5605

F55-59

5605

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2stories
+22ft-21ft

Overall

11735

Females

3826

F55-59

3826

Passing Analysis

Category:
Athletes Passed
2426
Passed By
2225
Net Change
+201
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19965
5K → 10K79764-685#19965#20650
10K → 15K160249-89#20650#20739
15K → 20K50912-862#20739#21601
20K → Half4719+28#21601#21573
Half → 25K27432+242#21573#21331
25K → 30K188217-29#21331#21360
30K → 20M2825+277#21360#21083
20M → 21M2804+276#21083#20807
21M → 35K1475+142#20807#20665
35K → 23M2065+201#20665#20464
23M → 24M1742+172#20464#20292
24M → 40K1916+185#20292#20107
40K → 25.2M882+86#20107#20021
25.2M → Finish2603+257#20021#19764
TOTALS24262225+201
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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