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BOSTON MARATHON 2024

Gretchen Yallowitz

Bib: 22238•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 44%
Masters (Masters Women)
#0 / 6263
Top 33%
Division (F55-59)
#0 / 876
Top 14%
Race Day Weather
55°/45°F
scattered 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
8:18/mi
25:46
↑ 97↓ 3451.5%
10K· 6.21 mi
8:13/mi
51:18
↑ 79↓ 1380.4%
15K· 9.32 mi
8:21/mi
1:17:13
↑ 67↓ 78
20K· 12.43 mi
8:33/mi
1:43:47
↑ 106↓ 860.1%
Half· 13.11 mi
8:24/mi
1:49:31
↑ 19↓ 370.5%
25K· 15.53 mi
8:41/mi
2:10:34
↑ 66↓ 880.2%
30K· 18.64 mi
9:03/mi
2:38:41
↑ 181↓ 1480.2%
20M
9:09/mi
2:51:07
↑ 64↓ 500.2%
21M
9:29/mi
3:00:36
↑ 106↓ 241.6%
35K· 21.75 mi
8:47/mi
3:07:10
↑ 17↓ 861.7%
23M
8:54/mi
3:18:19
↑ 23↓ 630.6%
24M
8:58/mi
3:27:17
↓ 821.3%
40K· 24.85 mi
9:19/mi
3:35:15
↓ 200.3%
25.2M
10:23/mi
3:38:50
↑ 13↓ 160.2%
Finish· 26.22 mi
9:10/mi
3:48:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:31
Pace8:21 /mi
2nd Half
Distance13.11 mi
Time1:58:39
Pace9:03 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:1225:468:1825:46
8:18
-
10K
6.21 mi11:50:4451:188:1525:32
8:13
-0:05
15K
9.32 mi12:16:391:17:138:1725:55
8:21
+0:08
20K
12.43 mi12:43:131:43:478:2126:34
8:33
+0:12
Half
13.11 mi12:48:571:49:318:215:44
8:24
-0:09
25K
15.53 mi13:10:002:10:348:2421:03
8:41
+0:17
30K
18.64 mi13:38:072:38:418:3128:07
9:03
+0:22
20M
20.00 mi13:50:332:51:078:3312:26
9:09
+0:06
21M
21.00 mi14:00:023:00:368:369:29
9:29
+0:20
35K
21.75 mi14:06:363:07:108:366:34
8:47
-0:42
23M
23.00 mi14:17:453:18:198:3711:09
8:54
+0:07
24M
24.00 mi14:26:433:27:178:388:58
8:58
+0:04
40K
24.85 mi14:34:413:35:158:407:58
9:19
+0:21
25.2M
25.20 mi14:38:163:38:508:413:35
10:23
+1:04
Finish
26.22 mi14:47:363:48:108:439:20
9:10
-1:13

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

8:13 /mi

Average Pace

8:43 /mi

Slowest Pace

10:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:31

48% of race

Time at Steady Pace

1:37:37

43% of race

Time at Slower Pace

21:02

9% of race

Average Pace: 8:42 /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 mi11:25:1225:468:1825:46
8:18
#16618
10K
6.21 mi11:50:4451:188:1525:32
8:13
#16094
15K
9.32 mi12:16:391:17:138:1725:55
8:21
#15810
20K
12.43 mi12:43:131:43:478:2126:34
8:33
#15567
Half
13.11 mi12:48:571:49:318:215:44
8:24
#15542
25K
15.53 mi13:10:002:10:348:2421:03
8:41
#15245
30K
18.64 mi13:38:072:38:418:3128:07
9:03
#14879
20M
20.00 mi13:50:332:51:078:3312:26
9:09
#14702
21M
21.00 mi14:00:023:00:368:369:29
9:29
#14445
35K
21.75 mi14:06:363:07:108:366:34
8:47
#14329
23M
23.00 mi14:17:453:18:198:3711:09
8:54
#14086
24M
24.00 mi14:26:433:27:178:388:58
8:58
#13964
40K
24.85 mi14:34:413:35:158:407:58
9:19
#13877
25.2M
25.20 mi14:38:163:38:508:413:35
10:23
#13842
Finish
26.22 mi14:47:363:48:108:439:20
9:10
#13879
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi166185935593515519(Top 61%)5271(Top 48%)5271(Top 602%)
10K6.21 mi3.10 mi16094+5245602+3335602+33315654(Top 61%)5313(Top 49%)5313(Top 607%)
15K9.32 mi3.11 mi15810+2845448+1545448+15415519(Top 61%)5271(Top 48%)5271(Top 602%)
20K12.43 mi3.11 mi15567+2435307+1415307+14115086(Top 59%)5059(Top 46%)5059(Top 578%)
Half13.11 mi0.68 mi15542+255294+135294+1315204(Top 60%)5153(Top 47%)5153(Top 588%)
25K15.53 mi2.42 mi15245+2975145+1495145+14914007(Top 55%)4620(Top 42%)4620(Top 527%)
30K18.64 mi3.11 mi14879+3665006+1395006+13913482(Top 53%)4556(Top 42%)4556(Top 520%)
20M20.00 mi1.36 mi14702+1774947+594947+5912890(Top 50%)4516(Top 41%)4516(Top 516%)
21M21.00 mi1.00 mi14445+2574846+1014846+10110795(Top 42%)3639(Top 33%)3639(Top 415%)
35K21.75 mi0.75 mi14329+1164809+374809+3712250(Top 48%)4414(Top 40%)4414(Top 504%)
23M23.00 mi1.25 mi14086+2434730+794730+7910700(Top 42%)3756(Top 34%)3756(Top 429%)
24M24.00 mi1.00 mi13964+1224711+194711+1912006(Top 47%)4414(Top 40%)4414(Top 504%)
40K24.85 mi0.85 mi13877+874704+74704+712365(Top 48%)4714(Top 43%)4714(Top 538%)
25.2M25.20 mi0.35 mi13842+354700+44700+412470(Top 49%)4835(Top 44%)4835(Top 552%)
Finish26.22 mi1.02 mi13879-374755-554755-5514975(Top 59%)5963(Top 55%)5963(Top 681%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

15519

Females

5271

F55-59

5271

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

15654

Females

5313

F55-59

5313

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

15519

Females

5271

F55-59

5271

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

15086

Females

5059

F55-59

5059

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

15204

Females

5153

F55-59

5153

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

14007

Females

4620

F55-59

4620

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

13482

Females

4556

F55-59

4556

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

12890

Females

4516

F55-59

4516

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

10795

Females

3639

F55-59

3639

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

12250

Females

4414

F55-59

4414

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

10700

Females

3756

F55-59

3756

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

12006

Females

4414

F55-59

4414

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12365

Females

4714

F55-59

4714

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

12470

Females

4835

F55-59

4835

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

14975

Females

5963

F55-59

5963

Passing Analysis

Category:
Athletes Passed
3566
Passed By
827
Net Change
+2739
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16618
5K → 10K61894+524#16618#16094
10K → 15K37692+284#16094#15810
15K → 20K364121+243#15810#15567
20K → Half5126+25#15567#15542
Half → 25K37275+297#15542#15245
25K → 30K45892+366#15245#14879
30K → 20M22043+177#14879#14702
20M → 21M27720+257#14702#14445
21M → 35K15135+116#14445#14329
35K → 23M25916+243#14329#14086
23M → 24M16038+122#14086#13964
24M → 40K12740+87#13964#13877
40K → 25.2M5924+35#13877#13842
25.2M → Finish74111-37#13842#13879
TOTALS3566827+2739
📊

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