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BOSTON MARATHON 2025

Kim Alarie

Bib: 20772•F

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 38%
Masters (Masters Women)
#0 / 6759
Top 24%
Division (F40-44)
#0 / 1718
Top 46%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:57
Rank: #19036
Start → 5K
25:57 | 8:21/mi
10K· 6.21 mi
50:58
Rank: #17993 (+1043)
5K → 10K
25:01 | 8:03/mi
15K· 9.32 mi
1:16:06
Rank: #17525 (+468)
10K → 15K
25:08 | 8:05/mi
20K· 12.43 mi
1:41:21
Rank: #17076 (+449)
15K → 20K
25:15 | 8:08/mi
Half· 13.11 mi
1:46:47
Rank: #16991 (+85)
20K → Half
5:26 | 7:58/mi
25K· 15.53 mi
2:06:35
Rank: #16628 (+363)
Half → 25K
19:48 | 8:10/mi
30K· 18.64 mi
2:32:36
Rank: #16128 (+500)
25K → 30K
26:01 | 8:22/mi
20M
2:43:57
Rank: #15845 (+283)
30K → 20M
11:21 | 8:21/mi
21M
2:52:42
Rank: #15558 (+287)
20M → 21M
8:45 | 8:45/mi
35K· 21.75 mi
2:58:36
Rank: #15401 (+157)
21M → 35K
5:54 | 7:53/mi
23M
3:09:06
Rank: #15202 (+199)
35K → 23M
10:30 | 8:23/mi
24M
3:17:04
Rank: #14959 (+243)
23M → 24M
7:58 | 7:58/mi
40K· 24.85 mi
3:24:10
Rank: #14841 (+118)
24M → 40K
7:06 | 8:18/mi
25.2M
3:27:18
Rank: #14788 (+53)
40K → 25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:35:13
Rank: #14619 (+169)
25.2M → Finish
7:55 | 7:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:47
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time1:48:26
Pace8:16 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:0725:578:2125:57
8:21
-
10K
6.21 mi11:44:0850:588:1225:01
8:03
-0:18
15K
9.32 mi12:09:161:16:068:1025:08
8:05
+0:02
20K
12.43 mi12:34:311:41:218:0925:15
8:08
+0:03
Half
13.11 mi12:39:571:46:478:095:26
7:58
-0:10
25K
15.53 mi12:59:452:06:358:0919:48
8:10
+0:12
30K
18.64 mi13:25:462:32:368:1126:01
8:22
+0:12
20M
20.00 mi13:37:072:43:578:1211:21
8:21
-0:01
21M
21.00 mi13:45:522:52:428:138:45
8:45
+0:24
35K
21.75 mi13:51:462:58:368:135:54
7:53
-0:52
23M
23.00 mi14:02:163:09:068:1310:30
8:23
+0:30
24M
24.00 mi14:10:143:17:048:137:58
7:58
-0:25
40K
24.85 mi14:17:203:24:108:137:06
8:18
+0:20
25.2M
25.20 mi14:20:283:27:188:143:08
9:05
+0:47
Finish
26.22 mi14:28:233:35:138:137:55
7:46
-1:19

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

7:46 /mi

Average Pace

8:13 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:23:20

94% of race

Time at Steady Pace

11:53

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:12 /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 mi11:19:0725:578:2125:57
8:21
#19036
10K
6.21 mi11:44:0850:588:1225:01
8:03
#17993
15K
9.32 mi12:09:161:16:068:1025:08
8:05
#17525
20K
12.43 mi12:34:311:41:218:0925:15
8:08
#17076
Half
13.11 mi12:39:571:46:478:095:26
7:58
#16991
25K
15.53 mi12:59:452:06:358:0919:48
8:10
#16628
30K
18.64 mi13:25:462:32:368:1126:01
8:22
#16128
20M
20.00 mi13:37:072:43:578:1211:21
8:21
#15845
21M
21.00 mi13:45:522:52:428:138:45
8:45
#15558
35K
21.75 mi13:51:462:58:368:135:54
7:53
#15401
23M
23.00 mi14:02:163:09:068:1310:30
8:23
#15202
24M
24.00 mi14:10:143:17:048:137:58
7:58
#14959
40K
24.85 mi14:17:203:24:108:137:06
8:18
#14841
25.2M
25.20 mi14:20:283:27:188:143:08
9:05
#14788
Finish
26.22 mi14:28:233:35:138:137:55
7:46
#14619
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi190366927692716667(Top 59%)5536(Top 45%)5536(Top 322%)
10K6.21 mi3.10 mi17993+10436320+6076320+60716862(Top 59%)5621(Top 46%)5621(Top 327%)
15K9.32 mi3.11 mi17525+4686025+2956025+29516667(Top 59%)5536(Top 45%)5536(Top 322%)
20K12.43 mi3.11 mi17076+4495789+2365789+23615834(Top 56%)5113(Top 42%)5113(Top 298%)
Half13.11 mi0.68 mi16991+855741+485741+4815625(Top 55%)4945(Top 40%)4945(Top 288%)
25K15.53 mi2.42 mi16628+3635541+2005541+20015088(Top 53%)4777(Top 39%)4777(Top 278%)
30K18.64 mi3.11 mi16128+5005300+2415300+24113987(Top 49%)4356(Top 36%)4356(Top 254%)
20M20.00 mi1.36 mi15845+2835179+1215179+12112873(Top 45%)3902(Top 32%)3902(Top 227%)
21M21.00 mi1.00 mi15558+2875049+1305049+13012020(Top 42%)3613(Top 30%)3613(Top 210%)
35K21.75 mi0.75 mi15401+1574973+764973+7611526(Top 41%)3398(Top 28%)3398(Top 198%)
23M23.00 mi1.25 mi15202+1994889+844889+8412607(Top 44%)4056(Top 33%)4056(Top 236%)
24M24.00 mi1.00 mi14959+2434780+1094780+10911043(Top 39%)3333(Top 27%)3333(Top 194%)
40K24.85 mi0.85 mi14841+1184740+404740+4012189(Top 43%)4011(Top 33%)4011(Top 233%)
25.2M25.20 mi0.35 mi14788+534712+284712+2812352(Top 43%)4151(Top 34%)4151(Top 242%)
Finish26.22 mi1.02 mi14619+1694656+564656+5611247(Top 40%)3583(Top 29%)3583(Top 209%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21stories
+97ft-345ft

Overall

16667

Females

5536

F40-44

5536

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

16862

Females

5621

F40-44

5621

10K→15K

6.2 - 9.3 mi

Top 59%
×3stories
+67ft-78ft

Overall

16667

Females

5536

F40-44

5536

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

15834

Females

5113

F40-44

5113

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

15625

Females

4945

F40-44

4945

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

15088

Females

4777

F40-44

4777

25K→30K

15.5 - 18.6 mi

Top 49%
×9stories
+181ft-148ft

Overall

13987

Females

4356

F40-44

4356

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

12873

Females

3902

F40-44

3902

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

12020

Females

3613

F40-44

3613

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

11526

Females

3398

F40-44

3398

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

12607

Females

4056

F40-44

4056

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

11043

Females

3333

F40-44

3333

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

12189

Females

4011

F40-44

4011

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12352

Females

4151

F40-44

4151

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

11247

Females

3583

F40-44

3583

Passing Analysis

Category:
Athletes Passed
4634
Passed By
217
Net Change
+4417
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19036
5K → 10K107936+1043#19036#17993
10K → 15K50638+468#17993#17525
15K → 20K47021+449#17525#17076
20K → Half894+85#17076#16991
Half → 25K37411+363#16991#16628
25K → 30K52121+500#16628#16128
30K → 20M29411+283#16128#15845
20M → 21M29710+287#15845#15558
21M → 35K1614+157#15558#15401
35K → 23M22223+199#15401#15202
23M → 24M2474+243#15202#14959
24M → 40K13416+118#14959#14841
40K → 25.2M607+53#14841#14788
25.2M → Finish18011+169#14788#14619
TOTALS4634217+4417
📊

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