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BOSTON MARATHON 2025

Margaret Klimek

VA

Bib: 13031 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 30%
Gender (Female)
#0 / 12228
Top 13%
Masters (Masters Women)
#0 / 6759
Top 4%
Division (F40-44)
#0 / 1718
Top 9%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:04/mi
21:57
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:03/mi
43:50
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:07/mi
1:05:57
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:19/mi
1:28:42
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:20/mi
1:33:42
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:30/mi
1:51:53
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:07/mi
2:17:06
↑ 181↓ 1480.2%
138 ft elev
20M
7:58/mi
2:27:56
↑ 64↓ 500.2%
148 ft elev
21M
8:22/mi
2:36:18
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:18/mi
2:41:46
↑ 17↓ 861.7%
156 ft elev
23M
7:38/mi
2:51:19
↑ 23↓ 630.6%
116 ft elev
24M
7:26/mi
2:58:45
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:30/mi
3:05:10
↓ 200.3%
20 ft elev
25.2M
7:53/mi
3:07:53
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:46/mi
3:14:47
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:42
Pace7:09 /mi
2nd Half
Distance13.11 mi
Time1:41:05
Pace7:43 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0021:577:0421:57
7:04
-
10K
6.21 mi11:12:5343:507:0321:53
7:03
-0:01
15K
9.32 mi11:35:001:05:577:0522:07
7:07
+0:04
20K
12.43 mi11:57:451:28:427:0822:45
7:19
+0:12
Half
13.11 mi12:02:451:33:427:095:00
7:20
+0:01
25K
15.53 mi12:20:561:51:537:1218:11
7:30
+0:10
30K
18.64 mi12:46:092:17:067:2125:13
8:07
+0:37
20M
20.00 mi12:56:592:27:567:2410:50
7:58
-0:09
21M
21.00 mi13:05:212:36:187:278:22
8:22
+0:24
35K
21.75 mi13:10:492:41:467:265:28
7:18
-1:04
23M
23.00 mi13:20:222:51:197:279:33
7:38
+0:20
24M
24.00 mi13:27:482:58:457:277:26
7:26
-0:12
40K
24.85 mi13:34:133:05:107:276:25
7:30
+0:04
25.2M
25.20 mi13:36:563:07:537:272:43
7:53
+0:23
Finish
26.22 mi13:43:503:14:477:266:54
6:46
-1:07

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

6:46 /mi

Average Pace

7:26 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:12:51

37% of race

Time at Steady Pace

1:14:48

38% of race

Time at Slower Pace

47:08

24% of race

Average Pace: 7:26 /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 mi10:51:0021:577:0421:57
7:04
#8363
10K
6.21 mi11:12:5343:507:0321:53
7:03
#8312
15K
9.32 mi11:35:001:05:577:0522:07
7:07
#8309
20K
12.43 mi11:57:451:28:427:0822:45
7:19
#8446
Half
13.11 mi12:02:451:33:427:095:00
7:20
#8520
25K
15.53 mi12:20:561:51:537:1218:11
7:30
#8704
30K
18.64 mi12:46:092:17:067:2125:13
8:07
#9318
20M
20.00 mi12:56:592:27:567:2410:50
7:58
#9351
21M
21.00 mi13:05:212:36:187:278:22
8:22
#9342
35K
21.75 mi13:10:492:41:467:265:28
7:18
#9224
23M
23.00 mi13:20:222:51:197:279:33
7:38
#9067
24M
24.00 mi13:27:482:58:457:277:26
7:26
#8939
40K
24.85 mi13:34:133:05:107:276:25
7:30
#8809
25.2M
25.20 mi13:36:563:07:537:272:43
7:53
#8715
Finish
26.22 mi13:43:503:14:477:266:54
6:46
#8481
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi8363112011208478(Top 30%)1222(Top 10%)1222(Top 71%)
10K6.21 mi3.10 mi8312+511108+121108+128258(Top 29%)1099(Top 9%)1099(Top 64%)
15K9.32 mi3.11 mi8309+31121-131121-138478(Top 30%)1222(Top 10%)1222(Top 71%)
20K12.43 mi3.11 mi8446-1371203-821203-829236(Top 33%)1623(Top 13%)1623(Top 94%)
Half13.11 mi0.68 mi8520-741228-251228-2510287(Top 36%)2067(Top 17%)2067(Top 120%)
25K15.53 mi2.42 mi8704-1841322-941322-949952(Top 35%)2076(Top 17%)2076(Top 121%)
30K18.64 mi3.11 mi9318-6141646-3241646-32412218(Top 43%)3394(Top 28%)3394(Top 198%)
20M20.00 mi1.36 mi9351-331695-491695-4910259(Top 36%)2560(Top 21%)2560(Top 149%)
21M21.00 mi1.00 mi9342+91726-311726-319650(Top 34%)2437(Top 20%)2437(Top 142%)
35K21.75 mi0.75 mi9224+1181703+231703+237317(Top 26%)1418(Top 12%)1418(Top 83%)
23M23.00 mi1.25 mi9067+1571669+341669+347452(Top 26%)1592(Top 13%)1592(Top 93%)
24M24.00 mi1.00 mi8939+1281648+211648+217280(Top 26%)1569(Top 13%)1569(Top 91%)
40K24.85 mi0.85 mi8809+1301635+131635+136856(Top 24%)1496(Top 12%)1496(Top 87%)
25.2M25.20 mi0.35 mi8715+941609+261609+265400(Top 19%)1030(Top 8%)1030(Top 60%)
Finish26.22 mi1.02 mi8481+2341534+751534+754367(Top 15%)660(Top 5%)660(Top 38%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

8478

Females

1222

F40-44

1222

5K→10K

3.1 - 6.2 mi

Top 29%
×5story building
+79ft-138ft

Overall

8258

Females

1099

F40-44

1099

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

8478

Females

1222

F40-44

1222

15K→20K

9.3 - 12.4 mi

Top 33%
×5story building
+106ft-86ft

Overall

9236

Females

1623

F40-44

1623

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

10287

Females

2067

F40-44

2067

Half→25K

13.1 - 15.5 mi

Top 35%
×4story building
+66ft-88ft

Overall

9952

Females

2076

F40-44

2076

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

12218

Females

3394

F40-44

3394

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

10259

Females

2560

F40-44

2560

20M→21M

20.0 - 21.0 mi

Top 34%
×8story building
+106ft-24ft

Overall

9650

Females

2437

F40-44

2437

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

7317

Females

1418

F40-44

1418

35K→23M

21.8 - 23.0 mi

Top 26%
×5story building
+23ft-63ft

Overall

7452

Females

1592

F40-44

1592

23M→24M

23.0 - 24.0 mi

Top 26%
×6story building
+12ft-82ft

Overall

7280

Females

1569

F40-44

1569

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6856

Females

1496

F40-44

1496

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5400

Females

1030

F40-44

1030

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2story building
+22ft-21ft

Overall

4367

Females

660

F40-44

660

Passing Analysis

Category:
Athletes Passed
1845
Passed By
1963
Net Change
-118
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8363
5K → 10K243192+51#8363#8312
10K → 15K150147+3#8312#8309
15K → 20K126263-137#8309#8446
20K → Half1185-74#8446#8520
Half → 25K89273-184#8520#8704
25K → 30K89703-614#8704#9318
30K → 20M94127-33#9318#9351
20M → 21M9485+9#9351#9342
21M → 35K13315+118#9342#9224
35K → 23M18932+157#9224#9067
23M → 24M14517+128#9067#8939
24M → 40K14414+130#8939#8809
40K → 25.2M1006+94#8809#8715
25.2M → Finish2384+234#8715#8481
TOTALS18451963-118
📊

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