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BOSTON MARATHON 2025

Karen Elitharp

Bib: 19551•F

ID

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 47%
Masters (Masters Women)
#0 / 6759
Top 35%
Division (F50-54)
#0 / 1303
Top 28%
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
7:55/mi
24:37
↑ 97↓ 3451.5%
10K· 6.21 mi
8:22/mi
50:37
↑ 79↓ 1380.4%
15K· 9.32 mi
8:05/mi
1:15:44
↑ 67↓ 78
20K· 12.43 mi
8:20/mi
1:41:36
↑ 106↓ 860.1%
Half· 13.11 mi
8:24/mi
1:47:20
↑ 19↓ 370.5%
25K· 15.53 mi
8:24/mi
2:07:43
↑ 66↓ 880.2%
30K· 18.64 mi
8:34/mi
2:34:20
↑ 181↓ 1480.2%
20M
8:58/mi
2:46:31
↑ 64↓ 500.2%
21M
9:40/mi
2:56:11
↑ 106↓ 241.6%
35K· 21.75 mi
8:31/mi
3:02:33
↑ 17↓ 861.7%
23M
9:00/mi
3:13:49
↑ 23↓ 630.6%
24M
8:47/mi
3:22:36
↓ 821.3%
40K· 24.85 mi
9:02/mi
3:30:19
↓ 200.3%
25.2M
9:46/mi
3:33:41
↑ 13↓ 160.2%
Finish· 26.22 mi
8:43/mi
3:42:34
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:20
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time1:55:14
Pace8:47 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:3224:377:5524:37
7:55
-
10K
6.21 mi11:42:3250:378:0926:00
8:22
+0:27
15K
9.32 mi12:07:391:15:448:0825:07
8:05
-0:17
20K
12.43 mi12:33:311:41:368:1125:52
8:20
+0:15
Half
13.11 mi12:39:151:47:208:115:44
8:24
+0:04
25K
15.53 mi12:59:382:07:438:1320:23
8:24
0:00
30K
18.64 mi13:26:152:34:208:1726:37
8:34
+0:10
20M
20.00 mi13:38:262:46:318:2012:11
8:58
+0:24
21M
21.00 mi13:48:062:56:118:239:40
9:40
+0:42
35K
21.75 mi13:54:283:02:338:246:22
8:31
-1:09
23M
23.00 mi14:05:443:13:498:2611:16
9:00
+0:29
24M
24.00 mi14:14:313:22:368:278:47
8:47
-0:13
40K
24.85 mi14:22:143:30:198:287:43
9:02
+0:15
25.2M
25.20 mi14:25:363:33:418:293:22
9:46
+0:44
Finish
26.22 mi14:34:293:42:348:308:53
8:43
-1:03

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

7:55 /mi

Average Pace

8:30 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

49:44

22% of race

Time at Steady Pace

2:08:38

58% of race

Time at Slower Pace

44:12

20% of race

Average Pace: 8:29 /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 mi11:16:3224:377:5524:37
7:55
#15957
10K
6.21 mi11:42:3250:378:0926:00
8:22
#17615
15K
9.32 mi12:07:391:15:448:0825:07
8:05
#17268
20K
12.43 mi12:33:311:41:368:1125:52
8:20
#17182
Half
13.11 mi12:39:151:47:208:115:44
8:24
#17248
25K
15.53 mi12:59:382:07:438:1320:23
8:24
#17083
30K
18.64 mi13:26:152:34:208:1726:37
8:34
#16711
20M
20.00 mi13:38:262:46:318:2012:11
8:58
#16680
21M
21.00 mi13:48:062:56:118:239:40
9:40
#16643
35K
21.75 mi13:54:283:02:338:246:22
8:31
#16577
23M
23.00 mi14:05:443:13:498:2611:16
9:00
#16517
24M
24.00 mi14:14:313:22:368:278:47
8:47
#16496
40K
24.85 mi14:22:143:30:198:287:43
9:02
#16486
25.2M
25.20 mi14:25:363:33:418:293:22
9:46
#16483
Finish
26.22 mi14:34:293:42:348:308:53
8:43
#16510
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi159575123512316651(Top 59%)5531(Top 45%)5531(Top 424%)
10K6.21 mi3.10 mi17615-16586103-9806103-98018998(Top 67%)6879(Top 56%)6879(Top 528%)
15K9.32 mi3.11 mi17268+3475874+2295874+22916651(Top 59%)5531(Top 45%)5531(Top 424%)
20K12.43 mi3.11 mi17182+865851+235851+2317089(Top 60%)5821(Top 48%)5821(Top 447%)
Half13.11 mi0.68 mi17248-665894-435894-4318624(Top 66%)6683(Top 55%)6683(Top 513%)
25K15.53 mi2.42 mi17083+1655816+785816+7816627(Top 59%)5647(Top 46%)5647(Top 433%)
30K18.64 mi3.11 mi16711+3725644+1725644+17215202(Top 54%)5021(Top 41%)5021(Top 385%)
20M20.00 mi1.36 mi16680+315652-85652-816626(Top 59%)5934(Top 49%)5934(Top 455%)
21M21.00 mi1.00 mi16643+375664-125664-1216886(Top 59%)6196(Top 51%)6196(Top 476%)
35K21.75 mi0.75 mi16577+665650+145650+1415566(Top 55%)5556(Top 45%)5556(Top 426%)
23M23.00 mi1.25 mi16517+605645+55645+516258(Top 57%)6032(Top 49%)6032(Top 463%)
24M24.00 mi1.00 mi16496+215659-145659-1416243(Top 57%)6069(Top 50%)6069(Top 466%)
40K24.85 mi0.85 mi16486+105682-235682-2316473(Top 58%)6296(Top 51%)6296(Top 483%)
25.2M25.20 mi0.35 mi16483+35688-65688-615962(Top 56%)6067(Top 50%)6067(Top 466%)
Finish26.22 mi1.02 mi16510-275732-445732-4417595(Top 62%)6863(Top 56%)6863(Top 527%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

16651

Females

5531

F50-54

5531

5K→10K

3.1 - 6.2 mi

Top 67%
×5story building
+79ft-138ft

Overall

18998

Females

6879

F50-54

6879

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

16651

Females

5531

F50-54

5531

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

17089

Females

5821

F50-54

5821

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

18624

Females

6683

F50-54

6683

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

16627

Females

5647

F50-54

5647

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

15202

Females

5021

F50-54

5021

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

16626

Females

5934

F50-54

5934

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

16886

Females

6196

F50-54

6196

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

15566

Females

5556

F50-54

5556

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

16258

Females

6032

F50-54

6032

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

16243

Females

6069

F50-54

6069

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16473

Females

6296

F50-54

6296

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15962

Females

6067

F50-54

6067

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

17595

Females

6863

F50-54

6863

Passing Analysis

Category:
Athletes Passed
2087
Passed By
2640
Net Change
-553
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15957
5K → 10K291687-1658#15957#17615
10K → 15K41265+347#17615#17268
15K → 20K226140+86#17268#17182
20K → Half1682-66#17182#17248
Half → 25K23873+165#17248#17083
25K → 30K42755+372#17083#16711
30K → 20M12089+31#16711#16680
20M → 21M11982+37#16680#16643
21M → 35K9630+66#16643#16577
35K → 23M13272+60#16577#16517
23M → 24M8968+21#16517#16496
24M → 40K7969+10#16496#16486
40K → 25.2M3330+3#16486#16483
25.2M → Finish7198-27#16483#16510
TOTALS20872640-553
📊

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