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BOSTON MARATHON 2024

Gail Cirlin-Lazerus

Bib: 17898•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 40%
Gender (Female)
#0 / 10924
Top 25%
Masters (Masters Women)
#0 / 6263
Top 13%
Division (F45-49)
#0 / 1753
Top 15%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:32
Rank: #13852
Start → 5K
24:32 | 7:54/mi
10K· 6.21 mi
48:52
Rank: #13347 (+505)
5K → 10K
24:20 | 7:50/mi
15K· 9.32 mi
1:13:21
Rank: #13065 (+282)
10K → 15K
24:29 | 7:53/mi
20K· 12.43 mi
1:38:24
Rank: #12773 (+292)
15K → 20K
25:03 | 8:04/mi
Half· 13.11 mi
1:43:49
Rank: #12743 (+30)
20K → Half
5:25 | 7:56/mi
25K· 15.53 mi
2:04:00
Rank: #12553 (+190)
Half → 25K
20:11 | 8:19/mi
30K· 18.64 mi
2:30:05
Rank: #12017 (+536)
25K → 30K
26:05 | 8:24/mi
20M
2:41:22
Rank: #11672 (+345)
30K → 20M
11:17 | 8:18/mi
21M
2:50:18
Rank: #11392 (+280)
20M → 21M
8:56 | 8:56/mi
35K· 21.75 mi
2:56:13
Rank: #11195 (+197)
21M → 35K
5:55 | 7:55/mi
23M
3:06:39
Rank: #10902 (+293)
35K → 23M
10:26 | 8:20/mi
24M
3:14:40
Rank: #10658 (+244)
23M → 24M
8:01 | 8:01/mi
40K· 24.85 mi
3:21:45
Rank: #10459 (+199)
24M → 40K
7:05 | 8:17/mi
25.2M
3:24:49
Rank: #10374 (+85)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:32:41
Rank: #10202 (+172)
25.2M → Finish
7:52 | 7:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:49
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time1:48:52
Pace8:18 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2924:327:5424:32
7:54
-
10K
6.21 mi11:39:4948:527:5224:20
7:50
-0:04
15K
9.32 mi12:04:181:13:217:5224:29
7:53
+0:03
20K
12.43 mi12:29:211:38:247:5525:03
8:04
+0:11
Half
13.11 mi12:34:461:43:497:555:25
7:56
-0:08
25K
15.53 mi12:54:572:04:007:5920:11
8:19
+0:23
30K
18.64 mi13:21:022:30:058:0326:05
8:24
+0:05
20M
20.00 mi13:32:192:41:228:0411:17
8:18
-0:06
21M
21.00 mi13:41:152:50:188:078:56
8:56
+0:38
35K
21.75 mi13:47:102:56:138:065:55
7:55
-1:01
23M
23.00 mi13:57:363:06:398:0710:26
8:20
+0:25
24M
24.00 mi14:05:373:14:408:078:01
8:01
-0:19
40K
24.85 mi14:12:423:21:458:077:05
8:17
+0:16
25.2M
25.20 mi14:15:463:24:498:083:04
8:54
+0:37
Finish
26.22 mi14:23:383:32:418:077:52
7:43
-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

7:43 /mi

Average Pace

8:07 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:20:41

94% of race

Time at Steady Pace

12:00

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:07 /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 mi11:15:2924:327:5424:32
7:54
#13852
10K
6.21 mi11:39:4948:527:5224:20
7:50
#13347
15K
9.32 mi12:04:181:13:217:5224:29
7:53
#13065
20K
12.43 mi12:29:211:38:247:5525:03
8:04
#12773
Half
13.11 mi12:34:461:43:497:555:25
7:56
#12743
25K
15.53 mi12:54:572:04:007:5920:11
8:19
#12553
30K
18.64 mi13:21:022:30:058:0326:05
8:24
#12017
20M
20.00 mi13:32:192:41:228:0411:17
8:18
#11672
21M
21.00 mi13:41:152:50:188:078:56
8:56
#11392
35K
21.75 mi13:47:102:56:138:065:55
7:55
#11195
23M
23.00 mi13:57:363:06:398:0710:26
8:20
#10902
24M
24.00 mi14:05:373:14:408:078:01
8:01
#10658
40K
24.85 mi14:12:423:21:458:077:05
8:17
#10459
25.2M
25.20 mi14:15:463:24:498:083:04
8:54
#10374
Finish
26.22 mi14:23:383:32:418:077:52
7:43
#10202
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi138524215421512533(Top 49%)3527(Top 32%)3527(Top 201%)
10K6.21 mi3.10 mi13347+5053929+2863929+28612929(Top 51%)3723(Top 34%)3723(Top 212%)
15K9.32 mi3.11 mi13065+2823793+1363793+13612533(Top 49%)3527(Top 32%)3527(Top 201%)
20K12.43 mi3.11 mi12773+2923636+1573636+15712264(Top 48%)3456(Top 32%)3456(Top 197%)
Half13.11 mi0.68 mi12743+303636363612336(Top 48%)3491(Top 32%)3491(Top 199%)
25K15.53 mi2.42 mi12553+1903565+713565+7112115(Top 47%)3573(Top 33%)3573(Top 204%)
30K18.64 mi3.11 mi12017+5363361+2043361+20410113(Top 40%)2760(Top 25%)2760(Top 157%)
20M20.00 mi1.36 mi11672+3453216+1453216+1458425(Top 33%)2201(Top 20%)2201(Top 126%)
21M21.00 mi1.00 mi11392+2803136+803136+808295(Top 32%)2340(Top 21%)2340(Top 133%)
35K21.75 mi0.75 mi11195+1973071+653071+657269(Top 28%)1891(Top 17%)1891(Top 108%)
23M23.00 mi1.25 mi10902+2932983+882983+887573(Top 30%)2183(Top 20%)2183(Top 125%)
24M24.00 mi1.00 mi10658+2442905+782905+786759(Top 26%)1894(Top 17%)1894(Top 108%)
40K24.85 mi0.85 mi10459+1992855+502855+507280(Top 28%)2278(Top 21%)2278(Top 130%)
25.2M25.20 mi0.35 mi10374+852824+312824+316147(Top 24%)1803(Top 17%)1803(Top 103%)
Finish26.22 mi1.02 mi10202+1722775+492775+496888(Top 27%)2066(Top 19%)2066(Top 118%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21stories
+97ft-345ft

Overall

12533

Females

3527

F45-49

3527

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

12929

Females

3723

F45-49

3723

10K→15K

6.2 - 9.3 mi

Top 49%
×3stories
+67ft-78ft

Overall

12533

Females

3527

F45-49

3527

15K→20K

9.3 - 12.4 mi

Top 48%
×5stories
+106ft-86ft

Overall

12264

Females

3456

F45-49

3456

20K→Half

12.4 - 13.1 mi

Top 48%
×2stories
+19ft-37ft

Overall

12336

Females

3491

F45-49

3491

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

12115

Females

3573

F45-49

3573

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

10113

Females

2760

F45-49

2760

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

8425

Females

2201

F45-49

2201

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

8295

Females

2340

F45-49

2340

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7269

Females

1891

F45-49

1891

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

7573

Females

2183

F45-49

2183

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

6759

Females

1894

F45-49

1894

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7280

Females

2278

F45-49

2278

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6147

Females

1803

F45-49

1803

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

6888

Females

2066

F45-49

2066

Passing Analysis

Category:
Athletes Passed
4289*
Passed By
639
Net Change
+3650
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13852
5K → 10K615110+505#13852#13347
10K → 15K37290+282#13347#13065
15K → 20K414122+292#13065#12773
20K → Half5424+30#12773#12743
Half → 25K335145+190#12743#12553
25K → 30K59559+536#12553#12017
30K → 20M35510+345#12017#11672
20M → 21M30424+280#11672#11392
21M → 35K2025+197#11392#11195
35K → 23M31623+293#11195#10902
23M → 24M2484+244#10902#10658
24M → 40K205*6+199#10658#10459
40K → 25.2M883+85#10459#10374
25.2M → Finish18614+172#10374#10202
TOTALS4289*639+3650

* 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