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BOSTON MARATHON 2024

Thirza De Jager

Bib: 27777•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F45-49)
#0 / 1753
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
9:57/mi
30:56
↑ 97↓ 3451.5%
10K· 6.21 mi
10:01/mi
1:02:02
↑ 79↓ 1380.4%
15K· 9.32 mi
10:11/mi
1:33:41
↑ 67↓ 78
20K· 12.43 mi
10:17/mi
2:05:38
↑ 106↓ 860.1%
Half· 13.11 mi
10:17/mi
2:12:39
↑ 19↓ 370.5%
25K· 15.53 mi
10:42/mi
2:38:36
↑ 66↓ 880.2%
30K· 18.64 mi
11:27/mi
3:14:09
↑ 181↓ 1480.2%
20M
11:08/mi
3:29:17
↑ 64↓ 500.2%
21M
13:49/mi
3:43:06
↑ 106↓ 241.6%
35K· 21.75 mi
11:27/mi
3:51:40
↑ 17↓ 861.7%
23M
12:05/mi
4:06:48
↑ 23↓ 630.6%
24M
11:41/mi
4:18:29
↓ 821.3%
40K· 24.85 mi
12:20/mi
4:29:02
↓ 200.3%
25.2M
15:45/mi
4:34:28
↑ 13↓ 160.2%
Finish· 26.22 mi
10:41/mi
4:45:21
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:39
Pace10:07 /mi
2nd Half
Distance13.11 mi
Time2:32:42
Pace11:39 /mi
📊Positive Split: 15.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:5730:569:5730:56
9:57
-
10K
6.21 mi12:21:031:02:029:5931:06
10:01
+0:04
15K
9.32 mi12:52:421:33:4110:0331:39
10:11
+0:10
20K
12.43 mi13:24:392:05:3810:0731:57
10:17
+0:06
Half
13.11 mi13:31:402:12:3910:077:01
10:17
0:00
25K
15.53 mi13:57:372:38:3610:1325:57
10:42
+0:25
30K
18.64 mi14:33:103:14:0910:2535:33
11:27
+0:45
20M
20.00 mi14:48:183:29:1710:2815:08
11:08
-0:19
21M
21.00 mi15:02:073:43:0610:3713:49
13:49
+2:41
35K
21.75 mi15:10:413:51:4010:398:34
11:27
-2:22
23M
23.00 mi15:25:494:06:4810:4415:08
12:05
+0:38
24M
24.00 mi15:37:304:18:2910:4611:41
11:41
-0:24
40K
24.85 mi15:48:034:29:0210:4910:33
12:20
+0:39
25.2M
25.20 mi15:53:294:34:2810:535:26
15:45
+3:25
Finish
26.22 mi16:04:224:45:2110:5310:53
10:41
-5:04

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

9:57 /mi

Average Pace

10:53 /mi

Slowest Pace

15:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:39

46% of race

Time at Steady Pace

1:47:46

38% of race

Time at Slower Pace

44:56

16% of race

Average Pace: 10:53 /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 mi11:49:5730:569:5730:56
9:57
#22906
10K
6.21 mi12:21:031:02:029:5931:06
10:01
#22747
15K
9.32 mi12:52:421:33:4110:0331:39
10:11
#22588
20K
12.43 mi13:24:392:05:3810:0731:57
10:17
#22228
Half
13.11 mi13:31:402:12:3910:077:01
10:17
#22232
25K
15.53 mi13:57:372:38:3610:1325:57
10:42
#21997
30K
18.64 mi14:33:103:14:0910:2535:33
11:27
#21778
20M
20.00 mi14:48:183:29:1710:2815:08
11:08
#21621
21M
21.00 mi15:02:073:43:0610:3713:49
13:49
#21665
35K
21.75 mi15:10:413:51:4010:398:34
11:27
#21622
23M
23.00 mi15:25:494:06:4810:4415:08
12:05
#21556
24M
24.00 mi15:37:304:18:2910:4611:41
11:41
#21509
40K
24.85 mi15:48:034:29:0210:4910:33
12:20
#21506
25.2M
25.20 mi15:53:294:34:2810:535:26
15:45
#21569
Finish
26.22 mi16:04:224:45:2110:5310:53
10:41
#21531
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi229069350935022302(Top 87%)9040(Top 83%)9040(Top 516%)
10K6.21 mi3.10 mi22747+1599285+659285+6522589(Top 88%)9225(Top 84%)9225(Top 526%)
15K9.32 mi3.11 mi22588+1599180+1059180+10522302(Top 87%)9040(Top 83%)9040(Top 516%)
20K12.43 mi3.11 mi22228+3609027+1539027+15321205(Top 83%)8475(Top 78%)8475(Top 483%)
Half13.11 mi0.68 mi22232-49029-29029-222234(Top 87%)9080(Top 83%)9080(Top 518%)
25K15.53 mi2.42 mi21997+2358929+1008929+10020886(Top 82%)8409(Top 77%)8409(Top 480%)
30K18.64 mi3.11 mi21778+2198859+708859+7020907(Top 82%)8584(Top 79%)8584(Top 490%)
20M20.00 mi1.36 mi21621+1578806+538806+5319593(Top 77%)8014(Top 73%)8014(Top 457%)
21M21.00 mi1.00 mi21665-448833-278833-2722077(Top 86%)9329(Top 85%)9329(Top 532%)
35K21.75 mi0.75 mi21622+438832+18832+120774(Top 81%)8710(Top 80%)8710(Top 497%)
23M23.00 mi1.25 mi21556+668817+158817+1520915(Top 82%)8845(Top 81%)8845(Top 505%)
24M24.00 mi1.00 mi21509+478821-48821-420781(Top 81%)8824(Top 81%)8824(Top 503%)
40K24.85 mi0.85 mi21506+38837-168837-1621120(Top 83%)9047(Top 83%)9047(Top 516%)
25.2M25.20 mi0.35 mi21569-638883-468883-4623845(Top 93%)10300(Top 94%)10300(Top 588%)
Finish26.22 mi1.02 mi21531+388877+68877+620525(Top 80%)8739(Top 80%)8739(Top 499%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

22302

Females

9040

F45-49

9040

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

22589

Females

9225

F45-49

9225

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

22302

Females

9040

F45-49

9040

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

21205

Females

8475

F45-49

8475

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

22234

Females

9080

F45-49

9080

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

20886

Females

8409

F45-49

8409

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

20907

Females

8584

F45-49

8584

30K→20M

18.6 - 20.0 mi

Top 77%
×5story building
+64ft-50ft

Overall

19593

Females

8014

F45-49

8014

20M→21M

20.0 - 21.0 mi

Top 86%
×8story building
+106ft-24ft

Overall

22077

Females

9329

F45-49

9329

21M→35K

21.0 - 21.8 mi

Top 81%
×7story building
+17ft-86ft

Overall

20774

Females

8710

F45-49

8710

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

20915

Females

8845

F45-49

8845

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

20781

Females

8824

F45-49

8824

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

21120

Females

9047

F45-49

9047

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

23845

Females

10300

F45-49

10300

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

20525

Females

8739

F45-49

8739

Passing Analysis

Category:
Athletes Passed
2110
Passed By
735
Net Change
+1375
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22906
5K → 10K281122+159#22906#22747
10K → 15K24788+159#22747#22588
15K → 20K39636+360#22588#22228
20K → Half3135-4#22228#22232
Half → 25K26732+235#22232#21997
25K → 30K29172+219#21997#21778
30K → 20M16710+157#21778#21621
20M → 21M4791-44#21621#21665
21M → 35K7633+43#21665#21622
35K → 23M10438+66#21622#21556
23M → 24M8235+47#21556#21509
24M → 40K4744+3#21509#21506
40K → 25.2M1073-63#21506#21569
25.2M → Finish6426+38#21569#21531
TOTALS2110735+1375
📊

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