Boston Marathon logo
BOSTON MARATHON 2025

Kathryn Holum

MN

Bib: 24118 F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
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
8:51/mi
27:31
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:54/mi
55:09
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:13/mi
1:23:48
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:15/mi
1:52:32
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:33/mi
1:59:03
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
11:14/mi
2:26:18
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
12:01/mi
3:03:37
↑ 181↓ 1480.2%
138 ft elev
20M
12:46/mi
3:20:58
↑ 64↓ 500.2%
148 ft elev
21M
13:57/mi
3:34:55
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
12:23/mi
3:44:11
↑ 17↓ 861.7%
156 ft elev
23M
11:28/mi
3:58:33
↑ 23↓ 630.6%
116 ft elev
24M
14:32/mi
4:13:05
↓ 821.3%
34 ft elev
40K· 24.85 mi
11:25/mi
4:22:51
↓ 200.3%
20 ft elev
25.2M
15:40/mi
4:28:15
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:55/mi
4:38:21
↑ 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
1:59:039:05 /mi⚡ faster
2nd Half
2:39:1812:09 /mi+33.8%
Positive split — 33.8% slower in the second half
Is this your race?

Claim it for a free AI report

A coach's-eye read of your race — emailed to you, free.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:4527:318:5127:31
8:51
-
10K
6.21 mi11:55:2355:098:5327:38
8:54
+0:03
15K
9.32 mi12:24:021:23:488:5928:39
9:13
+0:19
20K
12.43 mi12:52:461:52:329:0328:44
9:15
+0:02
Half
13.11 mi12:59:171:59:039:056:31
9:33
+0:18
25K
15.53 mi13:26:322:26:189:2527:15
11:14
+1:41
30K
18.64 mi14:03:513:03:379:5137:19
12:01
+0:47
20M
20.00 mi14:21:123:20:5810:0317:21
12:46
+0:45
21M
21.00 mi14:35:093:34:5510:1413:57
13:57
+1:11
35K
21.75 mi14:44:253:44:1110:189:16
12:23
-1:34
23M
23.00 mi14:58:473:58:3310:2214:22
11:28
-0:55
24M
24.00 mi15:13:194:13:0510:3314:32
14:32
+3:04
40K
24.85 mi15:23:054:22:5110:359:46
11:25
-3:07
25.2M
25.20 mi15:28:294:28:1510:395:24
15:40
+4:15
Finish
26.22 mi15:38:354:38:2110:3710:06
9:55
-5:45

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

8:51 /mi

Average Pace

10:37 /mi

Slowest Pace

15:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:09

46% of race

Time at Steady Pace

1:37:58

35% of race

Time at Slower Pace

51:14

18% of race

Average Pace: 10:37 /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 mi11:27:4527:318:5127:31
8:51
#21778
10K
6.21 mi11:55:2355:098:5327:38
8:54
#21834
15K
9.32 mi12:24:021:23:488:5928:39
9:13
#22233
20K
12.43 mi12:52:461:52:329:0328:44
9:15
#22180
Half
13.11 mi12:59:171:59:039:056:31
9:33
#22268
25K
15.53 mi13:26:322:26:189:2527:15
11:14
#23168
30K
18.64 mi14:03:513:03:379:5137:19
12:01
#23814
20M
20.00 mi14:21:123:20:5810:0317:21
12:46
#24111
21M
21.00 mi14:35:093:34:5510:1413:57
13:57
#24313
35K
21.75 mi14:44:253:44:1110:189:16
12:23
#24423
23M
23.00 mi14:58:473:58:3310:2214:22
11:28
#24426
24M
24.00 mi15:13:194:13:0510:3314:32
14:32
#24716
40K
24.85 mi15:23:054:22:5110:359:46
11:25
#24693
25.2M
25.20 mi15:28:294:28:1510:395:24
15:40
#24770
Finish
26.22 mi15:38:354:38:2110:3710:06
9:55
#24726
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi21778850685062292290619061
10K6.21 mi3.10 mi21834-568516-108516-102188185358535
15K9.32 mi3.11 mi22233-3998717-2018717-2012292290619061
20K12.43 mi3.11 mi22180+538694+238694+232206286228622
Half13.11 mi0.68 mi22268-888747-538747-532367295339533
25K15.53 mi2.42 mi23168-9009227-4809227-480255271058510585
30K18.64 mi3.11 mi23814-6469636-4099636-409256041073010730
20M20.00 mi1.36 mi24111-2979819-1839819-183262041111811118
21M21.00 mi1.00 mi24313-2029939-1209939-120261701113611136
35K21.75 mi0.75 mi24423-11010005-6610005-66263291125311253
23M23.00 mi1.25 mi24426-310019-1410019-14241921019910199
24M24.00 mi1.00 mi24716-29010194-17510194-175278881206312063
40K24.85 mi0.85 mi24693+2310192+210192+2239831016010160
25.2M25.20 mi0.35 mi24770-7710237-4510237-45275291190111901
Finish26.22 mi1.02 mi24726+4410222+1510222+152262294799479

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

22922

Females

9061

F55-59

9061

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

21881

Females

8535

F55-59

8535

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

22922

Females

9061

F55-59

9061

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

22062

Females

8622

F55-59

8622

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

23672

Females

9533

F55-59

9533

Half→25K

13.1 - 15.5 mi

Top 90%
×4story building
+66ft-88ft

Overall

25527

Females

10585

F55-59

10585

25K→30K

15.5 - 18.6 mi

Top 90%
×9story building
+181ft-148ft

Overall

25604

Females

10730

F55-59

10730

30K→20M

18.6 - 20.0 mi

Top 92%
×5story building
+64ft-50ft

Overall

26204

Females

11118

F55-59

11118

20M→21M

20.0 - 21.0 mi

Top 92%
×8story building
+106ft-24ft

Overall

26170

Females

11136

F55-59

11136

21M→35K

21.0 - 21.8 mi

Top 93%
×7story building
+17ft-86ft

Overall

26329

Females

11253

F55-59

11253

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

24192

Females

10199

F55-59

10199

23M→24M

23.0 - 24.0 mi

Top 98%
×6story building
+12ft-82ft

Overall

27888

Females

12063

F55-59

12063

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23983

Females

10160

F55-59

10160

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

27529

Females

11901

F55-59

11901

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

22622

Females

9479

F55-59

9479

Passing Analysis

Category:
Athletes Passed
823
Passed By
3771
Net Change
-2948
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21778
5K → 10K239295-56#21778#21834
10K → 15K94493-399#21834#22233
15K → 20K205152+53#22233#22180
20K → Half1199-88#22180#22268
Half → 25K14914-900#22268#23168
25K → 30K39685-646#23168#23814
30K → 20M21318-297#23814#24111
20M → 21M18220-202#24111#24313
21M → 35K13123-110#24313#24423
35K → 23M6063-3#24423#24426
23M → 24M6296-290#24426#24716
24M → 40K4522+23#24716#24693
40K → 25.2M380-77#24693#24770
25.2M → Finish5511+44#24770#24726
TOTALS8233771-2948

Passing Charts

Category:
Loading...

Passing Circle

Loading...

Position Flow

Loading...

Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing