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BOSTON MARATHON 2024

Kelly Stolzmann

Bib: 16786•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 41%
Gender (Female)
#0 / 10924
Top 27%
Masters (Masters Women)
#0 / 6263
Top 14%
Division (F40-44)
#0 / 1613
Top 29%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:36
Rank: #14009
Start → 5K
24:36 | 7:55/mi
10K· 6.21 mi
49:11
Rank: #13777 (+232)
5K → 10K
24:35 | 7:55/mi
15K· 9.32 mi
1:14:03
Rank: #13650 (+127)
10K → 15K
24:52 | 8:00/mi
20K· 12.43 mi
1:39:14
Rank: #13309 (+341)
15K → 20K
25:11 | 8:06/mi
Half· 13.11 mi
1:44:39
Rank: #13237 (+72)
20K → Half
5:25 | 7:56/mi
25K· 15.53 mi
2:04:32
Rank: #12836 (+401)
Half → 25K
19:53 | 8:12/mi
30K· 18.64 mi
2:30:50
Rank: #12300 (+536)
25K → 30K
26:18 | 8:28/mi
20M
2:42:11
Rank: #11955 (+345)
30K → 20M
11:21 | 8:21/mi
21M
2:50:55
Rank: #11591 (+364)
20M → 21M
8:44 | 8:44/mi
35K· 21.75 mi
2:56:51
Rank: #11392 (+199)
21M → 35K
5:56 | 7:56/mi
23M
3:07:25
Rank: #11118 (+274)
35K → 23M
10:34 | 8:26/mi
24M
3:15:26
Rank: #10868 (+250)
23M → 24M
8:01 | 8:01/mi
40K· 24.85 mi
3:22:26
Rank: #10654 (+214)
24M → 40K
7:00 | 8:11/mi
25.2M
3:25:34
Rank: #10561 (+93)
40K → 25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:33:37
Rank: #10432 (+129)
25.2M → Finish
8:03 | 7:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:39
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time1:48:58
Pace8:19 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:4924:367:5524:36
7:55
-
10K
6.21 mi11:39:2449:117:5524:35
7:55
0:00
15K
9.32 mi12:04:161:14:037:5724:52
8:00
+0:05
20K
12.43 mi12:29:271:39:147:5925:11
8:06
+0:06
Half
13.11 mi12:34:521:44:397:595:25
7:56
-0:10
25K
15.53 mi12:54:452:04:328:0119:53
8:12
+0:16
30K
18.64 mi13:21:032:30:508:0526:18
8:28
+0:16
20M
20.00 mi13:32:242:42:118:0711:21
8:21
-0:07
21M
21.00 mi13:41:082:50:558:088:44
8:44
+0:23
35K
21.75 mi13:47:042:56:518:085:56
7:56
-0:48
23M
23.00 mi13:57:383:07:258:0910:34
8:26
+0:30
24M
24.00 mi14:05:393:15:268:098:01
8:01
-0:25
40K
24.85 mi14:12:393:22:268:097:00
8:11
+0:10
25.2M
25.20 mi14:15:473:25:348:093:08
9:05
+0:54
Finish
26.22 mi14:23:503:33:378:098:03
7:54
-1:11

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

7:54 /mi

Average Pace

8:09 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:21:45

94% of race

Time at Steady Pace

11:52

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:09 /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 mi11:14:4924:367:5524:36
7:55
#14009
10K
6.21 mi11:39:2449:117:5524:35
7:55
#13777
15K
9.32 mi12:04:161:14:037:5724:52
8:00
#13650
20K
12.43 mi12:29:271:39:147:5925:11
8:06
#13309
Half
13.11 mi12:34:521:44:397:595:25
7:56
#13237
25K
15.53 mi12:54:452:04:328:0119:53
8:12
#12836
30K
18.64 mi13:21:032:30:508:0526:18
8:28
#12300
20M
20.00 mi13:32:242:42:118:0711:21
8:21
#11955
21M
21.00 mi13:41:082:50:558:088:44
8:44
#11591
35K
21.75 mi13:47:042:56:518:085:56
7:56
#11392
23M
23.00 mi13:57:383:07:258:0910:34
8:26
#11118
24M
24.00 mi14:05:393:15:268:098:01
8:01
#10868
40K
24.85 mi14:12:393:22:268:097:00
8:11
#10654
25.2M
25.20 mi14:15:473:25:348:093:08
9:05
#10561
Finish
26.22 mi14:23:503:33:378:098:03
7:54
#10432
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi140094313431313486(Top 53%)4070(Top 37%)4070(Top 252%)
10K6.21 mi3.10 mi13777+2324194+1194194+11913539(Top 53%)4070(Top 37%)4070(Top 252%)
15K9.32 mi3.11 mi13650+1274146+484146+4813486(Top 53%)4070(Top 37%)4070(Top 252%)
20K12.43 mi3.11 mi13309+3413962+1843962+18412565(Top 49%)3607(Top 33%)3607(Top 224%)
Half13.11 mi0.68 mi13237+723927+353927+3512341(Top 48%)3496(Top 32%)3496(Top 217%)
25K15.53 mi2.42 mi12836+4013728+1993728+19911375(Top 45%)3162(Top 29%)3162(Top 196%)
30K18.64 mi3.11 mi12300+5363519+2093519+20910486(Top 41%)2927(Top 27%)2927(Top 181%)
20M20.00 mi1.36 mi11955+3453383+1363383+1368692(Top 34%)2325(Top 21%)2325(Top 144%)
21M21.00 mi1.00 mi11591+3643247+1363247+1367330(Top 29%)1874(Top 17%)1874(Top 116%)
35K21.75 mi0.75 mi11392+1993166+813166+817427(Top 29%)1975(Top 18%)1975(Top 122%)
23M23.00 mi1.25 mi11118+2743099+673099+678161(Top 32%)2465(Top 23%)2465(Top 153%)
24M24.00 mi1.00 mi10868+2503006+933006+936762(Top 26%)1897(Top 17%)1897(Top 118%)
40K24.85 mi0.85 mi10654+2142957+492957+496750(Top 26%)2006(Top 18%)2006(Top 124%)
25.2M25.20 mi0.35 mi10561+932928+292928+297013(Top 27%)2193(Top 20%)2193(Top 136%)
Finish26.22 mi1.02 mi10432+1292896+322896+327963(Top 31%)2563(Top 23%)2563(Top 159%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

13486

Females

4070

F40-44

4070

5K→10K

3.1 - 6.2 mi

Top 53%
×5stories
+79ft-138ft

Overall

13539

Females

4070

F40-44

4070

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

13486

Females

4070

F40-44

4070

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

12565

Females

3607

F40-44

3607

20K→Half

12.4 - 13.1 mi

Top 48%
×2stories
+19ft-37ft

Overall

12341

Females

3496

F40-44

3496

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

11375

Females

3162

F40-44

3162

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

10486

Females

2927

F40-44

2927

30K→20M

18.6 - 20.0 mi

Top 34%
×5stories
+64ft-50ft

Overall

8692

Females

2325

F40-44

2325

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

7330

Females

1874

F40-44

1874

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

7427

Females

1975

F40-44

1975

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

8161

Females

2465

F40-44

2465

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

6762

Females

1897

F40-44

1897

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

6750

Females

2006

F40-44

2006

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7013

Females

2193

F40-44

2193

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

7963

Females

2563

F40-44

2563

Passing Analysis

Category:
Athletes Passed
4207*
Passed By
630
Net Change
+3577
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14009
5K → 10K421189+232#14009#13777
10K → 15K270143+127#13777#13650
15K → 20K43392+341#13650#13309
20K → Half9220+72#13309#13237
Half → 25K46261+401#13237#12836
25K → 30K59155+536#12836#12300
30K → 20M3538+345#12300#11955
20M → 21M3717+364#11955#11591
21M → 35K2045+199#11591#11392
35K → 23M29117+274#11392#11118
23M → 24M2577+250#11118#10868
24M → 40K219*5+214#10868#10654
40K → 25.2M952+93#10654#10561
25.2M → Finish14819+129#10561#10432
TOTALS4207*630+3577

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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