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BOSTON MARATHON 2025

Karen Oldham

Bib: 22188 F GB

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 45%
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
7:46/mi
24:09
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:01/mi
49:04
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:26/mi
1:15:16
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:05/mi
1:43:28
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:01/mi
1:49:37
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:54/mi
2:13:37
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:48/mi
2:44:05
↑ 181↓ 1480.2%
138 ft elev
20M
9:58/mi
2:57:38
↑ 64↓ 500.2%
148 ft elev
21M
10:48/mi
3:08:26
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:33/mi
3:15:35
↑ 17↓ 861.7%
156 ft elev
23M
10:09/mi
3:28:17
↑ 23↓ 630.6%
116 ft elev
24M
9:46/mi
3:38:03
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:59/mi
3:46:35
↓ 200.3%
20 ft elev
25.2M
10:52/mi
3:50:20
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:08/mi
3:59:38
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:49:378:22 /mi⚡ faster
2nd Half
2:10:019:55 /mi+18.6%
Positive split — 18.6% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:1124:097:4624:09
7:46
-
10K
6.21 mi11:44:0649:047:5424:55
8:01
+0:15
15K
9.32 mi12:10:181:15:168:0526:12
8:26
+0:25
20K
12.43 mi12:38:301:43:288:2028:12
9:05
+0:39
Half
13.11 mi12:44:391:49:378:226:09
9:01
-0:04
25K
15.53 mi13:08:392:13:378:3624:00
9:54
+0:53
30K
18.64 mi13:39:072:44:058:4830:28
9:48
-0:06
20M
20.00 mi13:52:402:57:388:5313:33
9:58
+0:10
21M
21.00 mi14:03:283:08:268:5810:48
10:48
+0:50
35K
21.75 mi14:10:373:15:359:007:09
9:33
-1:15
23M
23.00 mi14:23:193:28:179:0312:42
10:09
+0:36
24M
24.00 mi14:33:053:38:039:059:46
9:46
-0:23
40K
24.85 mi14:41:373:46:359:078:32
9:59
+0:13
25.2M
25.20 mi14:45:223:50:209:083:45
10:52
+0:53
Finish
26.22 mi14:54:403:59:389:099:18
9:08
-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

7:46 /mi

Average Pace

9:09 /mi

Slowest Pace

10:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

1:58:55

50% of race

Time at Steady Pace

1:46:10

44% of race

Time at Slower Pace

14:33

6% of race

Average Pace: 9:08 /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 mi11:19:1124:097:4624:09
7:46
#14599
10K
6.21 mi11:44:0649:047:5424:55
8:01
#15653
15K
9.32 mi12:10:181:15:168:0526:12
8:26
#16902
20K
12.43 mi12:38:301:43:288:2028:12
9:05
#18164
Half
13.11 mi12:44:391:49:378:226:09
9:01
#18386
25K
15.53 mi13:08:392:13:378:3624:00
9:54
#19520
30K
18.64 mi13:39:072:44:058:4830:28
9:48
#19876
20M
20.00 mi13:52:402:57:388:5313:33
9:58
#19998
21M
21.00 mi14:03:283:08:268:5810:48
10:48
#20053
35K
21.75 mi14:10:373:15:359:007:09
9:33
#20081
23M
23.00 mi14:23:193:28:179:0312:42
10:09
#20165
24M
24.00 mi14:33:053:38:039:059:46
9:46
#20222
40K
24.85 mi14:41:373:46:359:078:32
9:59
#20253
25.2M
25.20 mi14:45:223:50:209:083:45
10:52
#20266
Finish
26.22 mi14:54:403:59:389:099:18
9:08
#20289
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi14599428342831893068626862
10K6.21 mi3.10 mi15653-10544929-6464929-6461665855215521
15K9.32 mi3.11 mi16902-12495666-7375666-7371893068626862
20K12.43 mi3.11 mi18164-12626434-7686434-7682135282308230
Half13.11 mi0.68 mi18386-2226560-1266560-1262188785238523
25K15.53 mi2.42 mi19520-11347211-6517211-6512300391929192
30K18.64 mi3.11 mi19876-3567450-2397450-2392102482428242
20M20.00 mi1.36 mi19998-1227543-937543-932084582698269
21M21.00 mi1.00 mi20053-557603-607603-602084583698369
35K21.75 mi0.75 mi20081-287641-387641-382053882568256
23M23.00 mi1.25 mi20165-847709-687709-682094585228522
24M24.00 mi1.00 mi20222-577765-567765-562062084018401
40K24.85 mi0.85 mi20253-317795-307795-302042183698369
25.2M25.20 mi0.35 mi20266-137808-137808-132028583058305
Finish26.22 mi1.02 mi20289-237831-237831-231965279497949

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

18930

Females

6862

F55-59

6862

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

16658

Females

5521

F55-59

5521

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

18930

Females

6862

F55-59

6862

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

21352

Females

8230

F55-59

8230

20K→Half

12.4 - 13.1 mi

Top 77%
×2story building
+19ft-37ft

Overall

21887

Females

8523

F55-59

8523

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

23003

Females

9192

F55-59

9192

25K→30K

15.5 - 18.6 mi

Top 74%
×9story building
+181ft-148ft

Overall

21024

Females

8242

F55-59

8242

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

20845

Females

8269

F55-59

8269

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

20845

Females

8369

F55-59

8369

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

20538

Females

8256

F55-59

8256

35K→23M

21.8 - 23.0 mi

Top 74%
×5story building
+23ft-63ft

Overall

20945

Females

8522

F55-59

8522

23M→24M

23.0 - 24.0 mi

Top 73%
×6story building
+12ft-82ft

Overall

20620

Females

8401

F55-59

8401

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20421

Females

8369

F55-59

8369

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20285

Females

8305

F55-59

8305

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

19652

Females

7949

F55-59

7949

Passing Analysis

Category:
Athletes Passed
684
Passed By
6374
Net Change
-5690
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14599
5K → 10K581112-1054#14599#15653
10K → 15K271276-1249#15653#16902
15K → 20K261288-1262#16902#18164
20K → Half5227-222#18164#18386
Half → 25K231157-1134#18386#19520
25K → 30K119475-356#19520#19876
30K → 20M74196-122#19876#19998
20M → 21M78133-55#19998#20053
21M → 35K4977-28#20053#20081
35K → 23M60144-84#20081#20165
23M → 24M3491-57#20165#20222
24M → 40K5586-31#20222#20253
40K → 25.2M2538-13#20253#20266
25.2M → Finish5174-23#20266#20289
TOTALS6846374-5690

Passing Charts

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