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BOSTON MARATHON 2024

Ann-Sophie Czech

Bib: 12179•F

QC

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 43%
Division (F18-39)
#0 / 4660
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
6:53/mi
21:24
↑ 97↓ 3451.5%
10K· 6.21 mi
6:55/mi
42:54
↑ 79↓ 1380.4%
15K· 9.32 mi
6:59/mi
1:04:35
↑ 67↓ 78
20K· 12.43 mi
7:16/mi
1:27:11
↑ 106↓ 860.1%
Half· 13.11 mi
7:17/mi
1:32:09
↑ 19↓ 370.5%
25K· 15.53 mi
8:16/mi
1:52:11
↑ 66↓ 880.2%
30K· 18.64 mi
9:44/mi
2:22:24
↑ 181↓ 1480.2%
20M
10:17/mi
2:36:23
↑ 64↓ 500.2%
21M
13:51/mi
2:50:14
↑ 106↓ 241.6%
35K· 21.75 mi
10:34/mi
2:58:08
↑ 17↓ 861.7%
23M
12:27/mi
3:13:43
↑ 23↓ 630.6%
24M
9:55/mi
3:23:38
↓ 821.3%
40K· 24.85 mi
11:23/mi
3:33:22
↓ 200.3%
25.2M
12:28/mi
3:37:40
↑ 13↓ 160.2%
Finish· 26.22 mi
9:41/mi
3:47:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:09
Pace7:02 /mi
2nd Half
Distance13.11 mi
Time2:15:23
Pace10:20 /mi
📊Positive Split: 46.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1721:246:5321:24
6:53
-
10K
6.21 mi11:11:4742:546:5421:30
6:55
+0:02
15K
9.32 mi11:33:281:04:356:5621:41
6:59
+0:04
20K
12.43 mi11:56:041:27:117:0122:36
7:16
+0:17
Half
13.11 mi12:01:021:32:097:024:58
7:17
+0:01
25K
15.53 mi12:21:041:52:117:1320:02
8:16
+0:59
30K
18.64 mi12:51:172:22:247:3830:13
9:44
+1:28
20M
20.00 mi13:05:162:36:237:4913:59
10:17
+0:33
21M
21.00 mi13:19:072:50:148:0613:51
13:51
+3:34
35K
21.75 mi13:27:012:58:088:117:54
10:34
-3:17
23M
23.00 mi13:42:363:13:438:2515:35
12:27
+1:53
24M
24.00 mi13:52:313:23:388:299:55
9:55
-2:32
40K
24.85 mi14:02:153:33:228:359:44
11:23
+1:28
25.2M
25.20 mi14:06:333:37:408:384:18
12:28
+1:05
Finish
26.22 mi14:16:253:47:328:419:52
9:41
-2:47

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

6:53 /mi

Average Pace

8:41 /mi

Slowest Pace

13:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:11

49% of race

Time at Steady Pace

1:11:53

32% of race

Time at Slower Pace

43:28

19% of race

Average Pace: 8:41 /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 mi10:50:1721:246:5321:24
6:53
#6296
10K
6.21 mi11:11:4742:546:5421:30
6:55
#6215
15K
9.32 mi11:33:281:04:356:5621:41
6:59
#6143
20K
12.43 mi11:56:041:27:117:0122:36
7:16
#6270
Half
13.11 mi12:01:021:32:097:024:58
7:17
#6328
25K
15.53 mi12:21:041:52:117:1320:02
8:16
#7098
30K
18.64 mi12:51:172:22:247:3830:13
9:44
#9133
20M
20.00 mi13:05:162:36:237:4913:59
10:17
#9931
21M
21.00 mi13:19:072:50:148:0613:51
13:51
#11375
35K
21.75 mi13:27:012:58:088:117:54
10:34
#11806
23M
23.00 mi13:42:363:13:438:2515:35
12:27
#12859
24M
24.00 mi13:52:313:23:388:299:55
9:55
#13046
40K
24.85 mi14:02:153:33:228:359:44
11:23
#13419
25.2M
25.20 mi14:06:333:37:408:384:18
12:28
#13554
Finish
26.22 mi14:16:253:47:328:419:52
9:41
#13725
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi62966316316109(Top 24%)643(Top 6%)643(Top 14%)
10K6.21 mi3.10 mi6215+81620+11620+116159(Top 24%)621(Top 6%)621(Top 13%)
15K9.32 mi3.11 mi6143+72602+18602+186109(Top 24%)643(Top 6%)643(Top 14%)
20K12.43 mi3.11 mi6270-127674-72674-726835(Top 27%)942(Top 9%)942(Top 20%)
Half13.11 mi0.68 mi6328-58699-25699-257586(Top 30%)1232(Top 11%)1232(Top 26%)
25K15.53 mi2.42 mi7098-770969-270969-27011779(Top 46%)3392(Top 31%)3392(Top 73%)
30K18.64 mi3.11 mi9133-20351876-9071876-90716345(Top 64%)6145(Top 56%)6145(Top 132%)
20M20.00 mi1.36 mi9931-7982335-4592335-45917370(Top 68%)6907(Top 63%)6907(Top 148%)
21M21.00 mi1.00 mi11375-14443131-7963131-79622122(Top 87%)9348(Top 86%)9348(Top 201%)
35K21.75 mi0.75 mi11806-4313391-2603391-26018743(Top 73%)7698(Top 70%)7698(Top 165%)
23M23.00 mi1.25 mi12859-10534054-6634054-66321598(Top 85%)9170(Top 84%)9170(Top 197%)
24M24.00 mi1.00 mi13046-1874200-1464200-14616034(Top 63%)6457(Top 59%)6457(Top 139%)
40K24.85 mi0.85 mi13419-3734449-2494449-24919068(Top 75%)8045(Top 74%)8045(Top 173%)
25.2M25.20 mi0.35 mi13554-1354543-944543-9418449(Top 72%)7734(Top 71%)7734(Top 166%)
Finish26.22 mi1.02 mi13725-1714667-1244667-12417288(Top 68%)7151(Top 65%)7151(Top 153%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21story building
+97ft-345ft

Overall

6109

Females

643

F18-39

643

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6159

Females

621

F18-39

621

10K→15K

6.2 - 9.3 mi

Top 24%
×3story building
+67ft-78ft

Overall

6109

Females

643

F18-39

643

15K→20K

9.3 - 12.4 mi

Top 27%
×5story building
+106ft-86ft

Overall

6835

Females

942

F18-39

942

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

7586

Females

1232

F18-39

1232

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

11779

Females

3392

F18-39

3392

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

16345

Females

6145

F18-39

6145

30K→20M

18.6 - 20.0 mi

Top 68%
×5story building
+64ft-50ft

Overall

17370

Females

6907

F18-39

6907

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

22122

Females

9348

F18-39

9348

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

18743

Females

7698

F18-39

7698

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

21598

Females

9170

F18-39

9170

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

16034

Females

6457

F18-39

6457

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

19068

Females

8045

F18-39

8045

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

18449

Females

7734

F18-39

7734

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

17288

Females

7151

F18-39

7151

Passing Analysis

Category:
Athletes Passed
807
Passed By
8233
Net Change
-7429
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6296
5K → 10K216135+81#6296#6215
10K → 15K184112+72#6215#6143
15K → 20K125252-127#6143#6270
20K → Half1472-58#6270#6328
Half → 25K35805-770#6328#7098
25K → 30K182053-2035#7098#9133
30K → 20M29826-798#9133#9931
20M → 21M51447-1444#9931#11375
21M → 35K15446-431#11375#11806
35K → 23M251078-1053#11806#12859
23M → 24M52239-187#12859#13046
24M → 40K26399-373#13046#13419
40K → 25.2M18153-135#13419#13554
25.2M → Finish45216-171#13554#13725
TOTALS8078233-7429
📊

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