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BOSTON MARATHON 2025

Susan Mackey

Bib: 25348•F

OH

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
Top 50%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:38
Rank: #23289
Start → 5K
28:38 | 9:13/mi
10K· 6.21 mi
57:14
Rank: #23245 (+44)
5K → 10K
28:36 | 9:12/mi
15K· 9.32 mi
1:26:19
Rank: #23315 (-70)
10K → 15K
29:05 | 9:22/mi
20K· 12.43 mi
1:55:54
Rank: #23218 (+97)
15K → 20K
29:35 | 9:31/mi
Half· 13.11 mi
2:02:09
Rank: #23177 (+41)
20K → Half
6:15 | 9:10/mi
25K· 15.53 mi
2:25:49
Rank: #23080 (+97)
Half → 25K
23:40 | 9:46/mi
30K· 18.64 mi
2:58:03
Rank: #22959 (+121)
25K → 30K
32:14 | 10:22/mi
20M
3:12:09
Rank: #22873 (+86)
30K → 20M
14:06 | 10:23/mi
21M
3:23:17
Rank: #22819 (+54)
20M → 21M
11:08 | 11:08/mi
35K· 21.75 mi
3:30:42
Rank: #22761 (+58)
21M → 35K
7:25 | 9:55/mi
23M
3:43:34
Rank: #22653 (+108)
35K → 23M
12:52 | 10:17/mi
24M
3:53:24
Rank: #22559 (+94)
23M → 24M
9:50 | 9:50/mi
40K· 24.85 mi
4:02:01
Rank: #22490 (+69)
24M → 40K
8:37 | 10:05/mi
25.2M
4:05:43
Rank: #22452 (+38)
40K → 25.2M
3:42 | 10:44/mi
Finish· 26.22 mi
4:15:26
Rank: #22412 (+40)
25.2M → Finish
9:43 | 9:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:09
Pace9:19 /mi
2nd Half
Distance13.11 mi
Time2:13:17
Pace10:10 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:2428:389:1328:38
9:13
-
10K
6.21 mi11:58:0057:149:1328:36
9:12
-0:01
15K
9.32 mi12:27:051:26:199:1629:05
9:22
+0:10
20K
12.43 mi12:56:401:55:549:2029:35
9:31
+0:09
Half
13.11 mi13:02:552:02:099:196:15
9:10
-0:21
25K
15.53 mi13:26:352:25:499:2323:40
9:46
+0:36
30K
18.64 mi13:58:492:58:039:3332:14
10:22
+0:36
20M
20.00 mi14:12:553:12:099:3614:06
10:23
+0:01
21M
21.00 mi14:24:033:23:179:4111:08
11:08
+0:45
35K
21.75 mi14:31:283:30:429:417:25
9:55
-1:13
23M
23.00 mi14:44:203:43:349:4312:52
10:17
+0:22
24M
24.00 mi14:54:103:53:249:449:50
9:50
-0:27
40K
24.85 mi15:02:474:02:019:448:37
10:05
+0:15
25.2M
25.20 mi15:06:294:05:439:453:42
10:44
+0:39
Finish
26.22 mi15:16:124:15:269:459:43
9:32
-1:12

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

9:10 /mi

Average Pace

9:45 /mi

Slowest Pace

11:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:52

52% of race

Time at Steady Pace

49:32

19% of race

Time at Slower Pace

1:14:02

29% of race

Average Pace: 9:45 /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 mi11:29:2428:389:1328:38
9:13
#23289
10K
6.21 mi11:58:0057:149:1328:36
9:12
#23245
15K
9.32 mi12:27:051:26:199:1629:05
9:22
#23315
20K
12.43 mi12:56:401:55:549:2029:35
9:31
#23218
Half
13.11 mi13:02:552:02:099:196:15
9:10
#23177
25K
15.53 mi13:26:352:25:499:2323:40
9:46
#23080
30K
18.64 mi13:58:492:58:039:3332:14
10:22
#22959
20M
20.00 mi14:12:553:12:099:3614:06
10:23
#22873
21M
21.00 mi14:24:033:23:179:4111:08
11:08
#22819
35K
21.75 mi14:31:283:30:429:417:25
9:55
#22761
23M
23.00 mi14:44:203:43:349:4312:52
10:17
#22653
24M
24.00 mi14:54:103:53:249:449:50
9:50
#22559
40K
24.85 mi15:02:474:02:019:448:37
10:05
#22490
25.2M
25.20 mi15:06:294:05:439:453:42
10:44
#22452
Finish
26.22 mi15:16:124:15:269:459:43
9:32
#22412
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi232899328932823372(Top 82%)9300(Top 76%)9300(Top 1490%)
10K6.21 mi3.10 mi23245+449285+439285+4323226(Top 82%)9250(Top 76%)9250(Top 1482%)
15K9.32 mi3.11 mi23315-709300-159300-1523372(Top 82%)9300(Top 76%)9300(Top 1490%)
20K12.43 mi3.11 mi23218+979241+599241+5922977(Top 81%)9135(Top 75%)9135(Top 1464%)
Half13.11 mi0.68 mi23177+419220+219220+2122489(Top 79%)8880(Top 73%)8880(Top 1423%)
25K15.53 mi2.42 mi23080+979186+349186+3422677(Top 80%)9024(Top 74%)9024(Top 1446%)
30K18.64 mi3.11 mi22959+1219163+239163+2322647(Top 80%)9131(Top 75%)9131(Top 1463%)
20M20.00 mi1.36 mi22873+869146+179146+1722096(Top 78%)8949(Top 73%)8949(Top 1434%)
21M21.00 mi1.00 mi22819+549132+149132+1421744(Top 77%)8833(Top 72%)8833(Top 1416%)
35K21.75 mi0.75 mi22761+589109+239109+2321680(Top 76%)8867(Top 73%)8867(Top 1421%)
23M23.00 mi1.25 mi22653+1089075+349075+3421363(Top 75%)8731(Top 71%)8731(Top 1399%)
24M24.00 mi1.00 mi22559+949049+269049+2620864(Top 73%)8536(Top 70%)8536(Top 1368%)
40K24.85 mi0.85 mi22490+699027+229027+2220739(Top 73%)8535(Top 70%)8535(Top 1368%)
25.2M25.20 mi0.35 mi22452+389014+139014+1319881(Top 70%)8109(Top 66%)8109(Top 1300%)
Finish26.22 mi1.02 mi22412+409006+89006+821320(Top 75%)8827(Top 72%)8827(Top 1415%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21stories
+97ft-345ft

Overall

23372

Females

9300

F60-64

9300

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

23226

Females

9250

F60-64

9250

10K→15K

6.2 - 9.3 mi

Top 82%
×3stories
+67ft-78ft

Overall

23372

Females

9300

F60-64

9300

15K→20K

9.3 - 12.4 mi

Top 81%
×5stories
+106ft-86ft

Overall

22977

Females

9135

F60-64

9135

20K→Half

12.4 - 13.1 mi

Top 79%
×2stories
+19ft-37ft

Overall

22489

Females

8880

F60-64

8880

Half→25K

13.1 - 15.5 mi

Top 80%
×4stories
+66ft-88ft

Overall

22677

Females

9024

F60-64

9024

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

22647

Females

9131

F60-64

9131

30K→20M

18.6 - 20.0 mi

Top 78%
×5stories
+64ft-50ft

Overall

22096

Females

8949

F60-64

8949

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

21744

Females

8833

F60-64

8833

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

21680

Females

8867

F60-64

8867

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

21363

Females

8731

F60-64

8731

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

20864

Females

8536

F60-64

8536

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20739

Females

8535

F60-64

8535

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

19881

Females

8109

F60-64

8109

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

21320

Females

8827

F60-64

8827

Passing Analysis

Category:
Athletes Passed
1759
Passed By
882
Net Change
+877
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23289
5K → 10K253209+44#23289#23245
10K → 15K152222-70#23245#23315
15K → 20K19598+97#23315#23218
20K → Half5211+41#23218#23177
Half → 25K17780+97#23177#23080
25K → 30K224103+121#23080#22959
30K → 20M11933+86#22959#22873
20M → 21M9238+54#22873#22819
21M → 35K7416+58#22819#22761
35K → 23M12820+108#22761#22653
23M → 24M10612+94#22653#22559
24M → 40K8415+69#22559#22490
40K → 25.2M413+38#22490#22452
25.2M → Finish6222+40#22452#22412
TOTALS1759882+877
📊

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