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BOSTON MARATHON 2025

Lina Kniffer

Bib: 11480•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 15%
Gender (Female)
#0 / 12228
Top 3%
Masters (Masters Women)
#0 / 6759
Top 0.6%
Division (F45-49)
#0 / 1813
Top 0.7%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:31/mi
20:15
↑ 97↓ 3451.5%
10K· 6.21 mi
6:41/mi
41:00
↑ 79↓ 1380.4%
15K· 9.32 mi
6:47/mi
1:02:04
↑ 67↓ 78
20K· 12.43 mi
6:51/mi
1:23:22
↑ 106↓ 860.1%
Half· 13.11 mi
6:42/mi
1:27:56
↑ 19↓ 370.5%
25K· 15.53 mi
6:47/mi
1:44:23
↑ 66↓ 880.2%
30K· 18.64 mi
6:55/mi
2:05:52
↑ 181↓ 1480.2%
20M
6:57/mi
2:15:19
↑ 64↓ 500.2%
21M
7:36/mi
2:22:55
↑ 106↓ 241.6%
35K· 21.75 mi
6:45/mi
2:27:58
↑ 17↓ 861.7%
23M
6:58/mi
2:36:41
↑ 23↓ 630.6%
24M
6:43/mi
2:43:24
↓ 821.3%
40K· 24.85 mi
6:59/mi
2:49:22
↓ 200.3%
25.2M
7:32/mi
2:51:58
↑ 13↓ 160.2%
Finish· 26.22 mi
6:42/mi
2:58:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:56
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:30:52
Pace6:56 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:3420:156:3120:15
6:31
-
10K
6.21 mi11:06:1941:006:3620:45
6:41
+0:10
15K
9.32 mi11:27:231:02:046:4021:04
6:47
+0:06
20K
12.43 mi11:48:411:23:226:4221:18
6:51
+0:04
Half
13.11 mi11:53:151:27:566:424:34
6:42
-0:09
25K
15.53 mi12:09:421:44:236:4316:27
6:47
+0:05
30K
18.64 mi12:31:112:05:526:4521:29
6:55
+0:08
20M
20.00 mi12:40:382:15:196:469:27
6:57
+0:02
21M
21.00 mi12:48:142:22:556:487:36
7:36
+0:39
35K
21.75 mi12:53:172:27:586:485:03
6:45
-0:51
23M
23.00 mi13:02:002:36:416:498:43
6:58
+0:13
24M
24.00 mi13:08:432:43:246:496:43
6:43
-0:15
40K
24.85 mi13:14:412:49:226:495:58
6:59
+0:16
25.2M
25.20 mi13:17:172:51:586:492:36
7:32
+0:33
Finish
26.22 mi13:24:072:58:486:496:50
6:42
-0:50

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

6:31 /mi

Average Pace

6:49 /mi

Slowest Pace

7:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:36

94% of race

Time at Steady Pace

10:12

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:49 /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 mi10:45:3420:156:3120:15
6:31
#3981
10K
6.21 mi11:06:1941:006:3620:45
6:41
#4496
15K
9.32 mi11:27:231:02:046:4021:04
6:47
#4871
20K
12.43 mi11:48:411:23:226:4221:18
6:51
#5075
Half
13.11 mi11:53:151:27:566:424:34
6:42
#5076
25K
15.53 mi12:09:421:44:236:4316:27
6:47
#4972
30K
18.64 mi12:31:112:05:526:4521:29
6:55
#4768
20M
20.00 mi12:40:382:15:196:469:27
6:57
#4659
21M
21.00 mi12:48:142:22:556:487:36
7:36
#4652
35K
21.75 mi12:53:172:27:586:485:03
6:45
#4590
23M
23.00 mi13:02:002:36:416:498:43
6:58
#4479
24M
24.00 mi13:08:432:43:246:496:43
6:43
#4384
40K
24.85 mi13:14:412:49:226:495:58
6:59
#4332
25.2M
25.20 mi13:17:172:51:586:492:36
7:32
#4308
Finish
26.22 mi13:24:072:58:486:496:50
6:42
#4284
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi39812142145924(Top 21%)517(Top 4%)517(Top 29%)
10K6.21 mi3.10 mi4496-515263-49263-495166(Top 18%)350(Top 3%)350(Top 19%)
15K9.32 mi3.11 mi4871-375312-49312-495924(Top 21%)517(Top 4%)517(Top 29%)
20K12.43 mi3.11 mi5075-204346-34346-345844(Top 21%)517(Top 4%)517(Top 29%)
Half13.11 mi0.68 mi5076-1352-6352-65297(Top 19%)403(Top 3%)403(Top 22%)
25K15.53 mi2.42 mi4972+104347+5347+54776(Top 17%)365(Top 3%)365(Top 20%)
30K18.64 mi3.11 mi4768+204342+5342+54188(Top 15%)328(Top 3%)328(Top 18%)
20M20.00 mi1.36 mi4659+109329+13329+133859(Top 14%)302(Top 2%)302(Top 17%)
21M21.00 mi1.00 mi4652+7330-1330-15140(Top 18%)640(Top 5%)640(Top 35%)
35K21.75 mi0.75 mi4590+62329+1329+13865(Top 14%)375(Top 3%)375(Top 21%)
23M23.00 mi1.25 mi4479+111325+4325+43560(Top 13%)325(Top 3%)325(Top 18%)
24M24.00 mi1.00 mi4384+95324+1324+13094(Top 11%)285(Top 2%)285(Top 16%)
40K24.85 mi0.85 mi4332+52326-2326-23806(Top 13%)451(Top 4%)451(Top 25%)
25.2M25.20 mi0.35 mi4308+243263263656(Top 13%)458(Top 4%)458(Top 25%)
Finish26.22 mi1.02 mi4284+24331-5331-53937(Top 14%)529(Top 4%)529(Top 29%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21story building
+97ft-345ft

Overall

5924

Females

517

F45-49

517

5K→10K

3.1 - 6.2 mi

Top 18%
×5story building
+79ft-138ft

Overall

5166

Females

350

F45-49

350

10K→15K

6.2 - 9.3 mi

Top 21%
×3story building
+67ft-78ft

Overall

5924

Females

517

F45-49

517

15K→20K

9.3 - 12.4 mi

Top 21%
×5story building
+106ft-86ft

Overall

5844

Females

517

F45-49

517

20K→Half

12.4 - 13.1 mi

Top 19%
×2story building
+19ft-37ft

Overall

5297

Females

403

F45-49

403

Half→25K

13.1 - 15.5 mi

Top 17%
×4story building
+66ft-88ft

Overall

4776

Females

365

F45-49

365

25K→30K

15.5 - 18.6 mi

Top 15%
×9story building
+181ft-148ft

Overall

4188

Females

328

F45-49

328

30K→20M

18.6 - 20.0 mi

Top 14%
×5story building
+64ft-50ft

Overall

3859

Females

302

F45-49

302

20M→21M

20.0 - 21.0 mi

Top 18%
×8story building
+106ft-24ft

Overall

5140

Females

640

F45-49

640

21M→35K

21.0 - 21.8 mi

Top 14%
×7story building
+17ft-86ft

Overall

3865

Females

375

F45-49

375

35K→23M

21.8 - 23.0 mi

Top 13%
×5story building
+23ft-63ft

Overall

3560

Females

325

F45-49

325

23M→24M

23.0 - 24.0 mi

Top 11%
×6story building
+12ft-82ft

Overall

3094

Females

285

F45-49

285

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3806

Females

451

F45-49

451

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3656

Females

458

F45-49

458

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2story building
+22ft-21ft

Overall

3937

Females

529

F45-49

529

Passing Analysis

Category:
Athletes Passed
1241
Passed By
1544
Net Change
-303
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3981
5K → 10K19534-515#3981#4496
10K → 15K31406-375#4496#4871
15K → 20K75279-204#4871#5075
20K → Half2728-1#5075#5076
Half → 25K15147+104#5076#4972
25K → 30K26258+204#4972#4768
30K → 20M12819+109#4768#4659
20M → 21M7871+7#4659#4652
21M → 35K7210+62#4652#4590
35K → 23M13221+111#4590#4479
23M → 24M10510+95#4479#4384
24M → 40K7119+52#4384#4332
40K → 25.2M339+24#4332#4308
25.2M → Finish5733+24#4308#4284
TOTALS12411544-303
📊

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