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BOSTON MARATHON 2025

Kimberly Merritt

Bib: 22626•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 42%
Division (F45-49)
#0 / 1813
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
8:17/mi
25:44
↑ 97↓ 3451.5%
10K· 6.21 mi
8:25/mi
51:52
↑ 79↓ 1380.4%
15K· 9.32 mi
8:25/mi
1:18:01
↑ 67↓ 78
20K· 12.43 mi
8:30/mi
1:44:27
↑ 106↓ 860.1%
Half· 13.11 mi
8:21/mi
1:50:09
↑ 19↓ 370.5%
25K· 15.53 mi
8:39/mi
2:11:08
↑ 66↓ 880.2%
30K· 18.64 mi
8:55/mi
2:38:49
↑ 181↓ 1480.2%
20M
9:08/mi
2:51:14
↑ 64↓ 500.2%
21M
9:06/mi
3:00:20
↑ 106↓ 241.6%
35K· 21.75 mi
8:40/mi
3:06:49
↑ 17↓ 861.7%
23M
9:20/mi
3:18:30
↑ 23↓ 630.6%
24M
9:04/mi
3:27:34
↓ 821.3%
40K· 24.85 mi
9:04/mi
3:35:19
↓ 200.3%
25.2M
8:59/mi
3:38:25
↑ 13↓ 160.2%
Finish· 26.22 mi
8:22/mi
3:46:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:09
Pace8:24 /mi
2nd Half
Distance13.11 mi
Time1:56:48
Pace8:55 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:2625:448:1725:44
8:17
-
10K
6.21 mi11:48:3451:528:2126:08
8:25
+0:08
15K
9.32 mi12:14:431:18:018:2226:09
8:25
0:00
20K
12.43 mi12:41:091:44:278:2426:26
8:30
+0:05
Half
13.11 mi12:46:511:50:098:245:42
8:21
-0:09
25K
15.53 mi13:07:502:11:088:2620:59
8:39
+0:18
30K
18.64 mi13:35:312:38:498:3127:41
8:55
+0:16
20M
20.00 mi13:47:562:51:148:3412:25
9:08
+0:13
21M
21.00 mi13:57:023:00:208:359:06
9:06
-0:02
35K
21.75 mi14:03:313:06:498:356:29
8:40
-0:26
23M
23.00 mi14:15:123:18:308:3811:41
9:20
+0:40
24M
24.00 mi14:24:163:27:348:399:04
9:04
-0:16
40K
24.85 mi14:32:013:35:198:407:45
9:04
0:00
25.2M
25.20 mi14:35:073:38:258:403:06
8:59
-0:05
Finish
26.22 mi14:43:393:46:578:408:32
8:22
-0:37

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

8:17 /mi

Average Pace

8:40 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:22:51

89% of race

Time at Steady Pace

24:06

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:39 /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 mi11:22:2625:448:1725:44
8:17
#18614
10K
6.21 mi11:48:3451:528:2126:08
8:25
#18911
15K
9.32 mi12:14:431:18:018:2226:09
8:25
#18860
20K
12.43 mi12:41:091:44:278:2426:26
8:30
#18684
Half
13.11 mi12:46:511:50:098:245:42
8:21
#18657
25K
15.53 mi13:07:502:11:088:2620:59
8:39
#18542
30K
18.64 mi13:35:312:38:498:3127:41
8:55
#18264
20M
20.00 mi13:47:562:51:148:3412:25
9:08
#18167
21M
21.00 mi13:57:023:00:208:359:06
9:06
#17940
35K
21.75 mi14:03:313:06:498:356:29
8:40
#17861
23M
23.00 mi14:15:123:18:308:3811:41
9:20
#17862
24M
24.00 mi14:24:163:27:348:399:04
9:04
#17831
40K
24.85 mi14:32:013:35:198:407:45
9:04
#17778
25.2M
25.20 mi14:35:073:38:258:403:06
8:59
#17678
Finish
26.22 mi14:43:393:46:578:408:32
8:22
#17590
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi186146691669118816(Top 66%)6788(Top 56%)6788(Top 374%)
10K6.21 mi3.10 mi18911-2976851-1606851-16019270(Top 68%)7037(Top 58%)7037(Top 388%)
15K9.32 mi3.11 mi18860+516831+206831+2018816(Top 66%)6788(Top 56%)6788(Top 374%)
20K12.43 mi3.11 mi18684+1766728+1036728+10318318(Top 64%)6511(Top 53%)6511(Top 359%)
Half13.11 mi0.68 mi18657+276712+166712+1618345(Top 65%)6522(Top 53%)6522(Top 360%)
25K15.53 mi2.42 mi18542+1156664+486664+4818128(Top 64%)6494(Top 53%)6494(Top 358%)
30K18.64 mi3.11 mi18264+2786539+1256539+12517220(Top 61%)6146(Top 50%)6146(Top 339%)
20M20.00 mi1.36 mi18167+976513+266513+2617490(Top 62%)6412(Top 52%)6412(Top 354%)
21M21.00 mi1.00 mi17940+2276397+1166397+11614147(Top 50%)4720(Top 39%)4720(Top 260%)
35K21.75 mi0.75 mi17861+796365+326365+3216522(Top 58%)6081(Top 50%)6081(Top 335%)
23M23.00 mi1.25 mi17862-16420-556420-5517941(Top 63%)6956(Top 57%)6956(Top 384%)
24M24.00 mi1.00 mi17831+316441-216441-2117711(Top 62%)6877(Top 56%)6877(Top 379%)
40K24.85 mi0.85 mi17778+536425+166425+1616716(Top 59%)6434(Top 53%)6434(Top 355%)
25.2M25.20 mi0.35 mi17678+1006386+396386+3911865(Top 42%)3941(Top 32%)3941(Top 217%)
Finish26.22 mi1.02 mi17590+886355+316355+3115429(Top 54%)5718(Top 47%)5718(Top 315%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

18816

Females

6788

F45-49

6788

5K→10K

3.1 - 6.2 mi

Top 68%
×5story building
+79ft-138ft

Overall

19270

Females

7037

F45-49

7037

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

18816

Females

6788

F45-49

6788

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

18318

Females

6511

F45-49

6511

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

18345

Females

6522

F45-49

6522

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

18128

Females

6494

F45-49

6494

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

17220

Females

6146

F45-49

6146

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

17490

Females

6412

F45-49

6412

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

14147

Females

4720

F45-49

4720

21M→35K

21.0 - 21.8 mi

Top 58%
×7story building
+17ft-86ft

Overall

16522

Females

6081

F45-49

6081

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

17941

Females

6956

F45-49

6956

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

17711

Females

6877

F45-49

6877

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16716

Females

6434

F45-49

6434

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11865

Females

3941

F45-49

3941

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

15429

Females

5718

F45-49

5718

Passing Analysis

Category:
Athletes Passed
2303
Passed By
1279
Net Change
+1024
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18614
5K → 10K154451-297#18614#18911
10K → 15K221170+51#18911#18860
15K → 20K280104+176#18860#18684
20K → Half4720+27#18684#18657
Half → 25K215100+115#18657#18542
25K → 30K378100+278#18542#18264
30K → 20M16972+97#18264#18167
20M → 21M23912+227#18167#17940
21M → 35K10425+79#17940#17861
35K → 23M106107-1#17861#17862
23M → 24M9463+31#17862#17831
24M → 40K8431+53#17831#17778
40K → 25.2M1033+100#17778#17678
25.2M → Finish10921+88#17678#17590
TOTALS23031279+1024
📊

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