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BOSTON MARATHON 2025

Karla Borland

Bib: 7917•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 25%
Gender (Female)
#0 / 12228
Top 8%
Division (F18-39)
#0 / 5469
Top 16%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:26
Rank: #9640
Start → 5K
22:26 | 7:13/mi
10K· 6.21 mi
44:56
Rank: #9731 (-91)
5K → 10K
22:30 | 7:15/mi
15K· 9.32 mi
1:07:38
Rank: #9815 (-84)
10K → 15K
22:42 | 7:18/mi
20K· 12.43 mi
1:30:18
Rank: #9559 (+256)
15K → 20K
22:40 | 7:18/mi
Half· 13.11 mi
1:35:12
Rank: #9524 (+35)
20K → Half
4:54 | 7:11/mi
25K· 15.53 mi
1:52:37
Rank: #9125 (+399)
Half → 25K
17:25 | 7:11/mi
30K· 18.64 mi
2:15:16
Rank: #8483 (+642)
25K → 30K
22:39 | 7:17/mi
20M
2:25:09
Rank: #8193 (+290)
30K → 20M
9:53 | 7:16/mi
21M
2:32:45
Rank: #7921 (+272)
20M → 21M
7:36 | 7:36/mi
35K· 21.75 mi
2:38:00
Rank: #7789 (+132)
21M → 35K
5:15 | 7:01/mi
23M
2:47:07
Rank: #7576 (+213)
35K → 23M
9:07 | 7:17/mi
24M
2:54:10
Rank: #7406 (+170)
23M → 24M
7:03 | 7:03/mi
40K· 24.85 mi
3:00:18
Rank: #7251 (+155)
24M → 40K
6:08 | 7:10/mi
25.2M
3:02:57
Rank: #7178 (+73)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
3:10:00
Rank: #7064 (+114)
25.2M → Finish
7:03 | 6:55/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:35:12
Pace7:16 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:34:48
Pace7:14 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:4822:267:1322:26
7:13
-
10K
6.21 mi10:52:1844:567:1422:30
7:15
+0:02
15K
9.32 mi11:15:001:07:387:1522:42
7:18
+0:03
20K
12.43 mi11:37:401:30:187:1622:40
7:18
0:00
Half
13.11 mi11:42:341:35:127:164:54
7:11
-0:07
25K
15.53 mi11:59:591:52:377:1517:25
7:11
0:00
30K
18.64 mi12:22:382:15:167:1522:39
7:17
+0:06
20M
20.00 mi12:32:312:25:097:159:53
7:16
-0:01
21M
21.00 mi12:40:072:32:457:167:36
7:36
+0:20
35K
21.75 mi12:45:222:38:007:165:15
7:01
-0:35
23M
23.00 mi12:54:292:47:077:169:07
7:17
+0:16
24M
24.00 mi13:01:322:54:107:157:03
7:03
-0:14
40K
24.85 mi13:07:403:00:187:156:08
7:10
+0:07
25.2M
25.20 mi13:10:193:02:577:162:39
7:41
+0:31
Finish
26.22 mi13:17:223:10:007:157:03
6:55
-0:46

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

6:55 /mi

Average Pace

7:15 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:21

99% of race

Time at Steady Pace

2:39

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:15 /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 mi10:29:4822:267:1322:26
7:13
#9640
10K
6.21 mi10:52:1844:567:1422:30
7:15
#9731
15K
9.32 mi11:15:001:07:387:1522:42
7:18
#9815
20K
12.43 mi11:37:401:30:187:1622:40
7:18
#9559
Half
13.11 mi11:42:341:35:127:164:54
7:11
#9524
25K
15.53 mi11:59:591:52:377:1517:25
7:11
#9125
30K
18.64 mi12:22:382:15:167:1522:39
7:17
#8483
20M
20.00 mi12:32:312:25:097:159:53
7:16
#8193
21M
21.00 mi12:40:072:32:457:167:36
7:36
#7921
35K
21.75 mi12:45:222:38:007:165:15
7:01
#7789
23M
23.00 mi12:54:292:47:077:169:07
7:17
#7576
24M
24.00 mi13:01:322:54:107:157:03
7:03
#7406
40K
24.85 mi13:07:403:00:187:156:08
7:10
#7251
25.2M
25.20 mi13:10:193:02:577:162:39
7:41
#7178
Finish
26.22 mi13:17:223:10:007:157:03
6:55
#7064
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi96401639163910045(Top 35%)1902(Top 16%)1902(Top 35%)
10K6.21 mi3.10 mi9731-911685-461685-469861(Top 35%)1763(Top 14%)1763(Top 32%)
15K9.32 mi3.11 mi9815-841750-651750-6510045(Top 35%)1902(Top 16%)1902(Top 35%)
20K12.43 mi3.11 mi9559+2561669+811669+819026(Top 32%)1533(Top 13%)1533(Top 28%)
Half13.11 mi0.68 mi9524+351659+101659+108965(Top 32%)1466(Top 12%)1466(Top 27%)
25K15.53 mi2.42 mi9125+3991504+1551504+1557501(Top 26%)1036(Top 8%)1036(Top 19%)
30K18.64 mi3.11 mi8483+6421292+2121292+2126406(Top 23%)800(Top 7%)800(Top 15%)
20M20.00 mi1.36 mi8193+2901209+831209+835646(Top 20%)701(Top 6%)701(Top 13%)
21M21.00 mi1.00 mi7921+2721145+641145+645157(Top 18%)657(Top 5%)657(Top 12%)
35K21.75 mi0.75 mi7789+1321119+261119+265527(Top 19%)777(Top 6%)777(Top 14%)
23M23.00 mi1.25 mi7576+2131086+331086+335388(Top 19%)791(Top 6%)791(Top 14%)
24M24.00 mi1.00 mi7406+1701062+241062+244957(Top 17%)722(Top 6%)722(Top 13%)
40K24.85 mi0.85 mi7251+1551028+341028+344944(Top 17%)758(Top 6%)758(Top 14%)
25.2M25.20 mi0.35 mi7178+731019+91019+94354(Top 15%)676(Top 6%)676(Top 12%)
Finish26.22 mi1.02 mi7064+1141011+81011+85245(Top 18%)949(Top 8%)949(Top 17%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

10045

Females

1902

F18-39

1902

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

9861

Females

1763

F18-39

1763

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

10045

Females

1902

F18-39

1902

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

9026

Females

1533

F18-39

1533

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

8965

Females

1466

F18-39

1466

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

7501

Females

1036

F18-39

1036

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6406

Females

800

F18-39

800

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5646

Females

701

F18-39

701

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

5157

Females

657

F18-39

657

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5527

Females

777

F18-39

777

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5388

Females

791

F18-39

791

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4957

Females

722

F18-39

722

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4944

Females

758

F18-39

758

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4354

Females

676

F18-39

676

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

5245

Females

949

F18-39

949

Passing Analysis

Category:
Athletes Passed
3223
Passed By
645
Net Change
+2576
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9640
5K → 10K190280-91#9640#9731
10K → 15K142225-84#9731#9815
15K → 20K31559+256#9815#9559
20K → Half4813+35#9559#9524
Half → 25K41112+399#9524#9125
25K → 30K65210+642#9125#8483
30K → 20M2933+290#8483#8193
20M → 21M2797+272#8193#7921
21M → 35K1364+132#7921#7789
35K → 23M2196+213#7789#7576
23M → 24M1722+170#7576#7406
24M → 40K1594+155#7406#7251
40K → 25.2M752+73#7251#7178
25.2M → Finish13218+114#7178#7064
TOTALS3223645+2576
📊

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