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BOSTON MARATHON 2024

Janet Boltz

Bib: 19436•F

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F40-44)
#0 / 1613
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
8:19/mi
25:51
↑ 97↓ 3451.5%
10K· 6.21 mi
8:29/mi
52:11
↑ 79↓ 1380.4%
15K· 9.32 mi
8:44/mi
1:19:19
↑ 67↓ 78
20K· 12.43 mi
9:09/mi
1:47:46
↑ 106↓ 860.1%
Half· 13.11 mi
9:08/mi
1:54:00
↑ 19↓ 370.5%
25K· 15.53 mi
9:48/mi
2:17:45
↑ 66↓ 880.2%
30K· 18.64 mi
9:56/mi
2:48:38
↑ 181↓ 1480.2%
20M
9:29/mi
3:01:31
↑ 64↓ 500.2%
21M
10:30/mi
3:12:01
↑ 106↓ 241.6%
35K· 21.75 mi
10:12/mi
3:19:39
↑ 17↓ 861.7%
23M
10:37/mi
3:32:57
↑ 23↓ 630.6%
24M
9:55/mi
3:42:52
↓ 821.3%
40K· 24.85 mi
10:07/mi
3:51:31
↓ 200.3%
25.2M
11:42/mi
3:55:33
↑ 13↓ 160.2%
Finish· 26.22 mi
9:17/mi
4:05:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:00
Pace8:42 /mi
2nd Half
Distance13.11 mi
Time2:11:01
Pace10:00 /mi
📊Positive Split: 14.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:4125:518:1925:51
8:19
-
10K
6.21 mi11:46:0152:118:2426:20
8:29
+0:10
15K
9.32 mi12:13:091:19:198:3127:08
8:44
+0:15
20K
12.43 mi12:41:361:47:468:4028:27
9:09
+0:25
Half
13.11 mi12:47:501:54:008:426:14
9:08
-0:01
25K
15.53 mi13:11:352:17:458:5223:45
9:48
+0:40
30K
18.64 mi13:42:282:48:389:0330:53
9:56
+0:08
20M
20.00 mi13:55:213:01:319:0512:53
9:29
-0:27
21M
21.00 mi14:05:513:12:019:0910:30
10:30
+1:01
35K
21.75 mi14:13:293:19:399:117:38
10:12
-0:18
23M
23.00 mi14:26:473:32:579:1613:18
10:37
+0:25
24M
24.00 mi14:36:423:42:529:179:55
9:55
-0:42
40K
24.85 mi14:45:213:51:319:198:39
10:07
+0:12
25.2M
25.20 mi14:49:233:55:339:214:02
11:42
+1:35
Finish
26.22 mi14:58:514:05:019:219:28
9:17
-2:25

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

8:19 /mi

Average Pace

9:21 /mi

Slowest Pace

11:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:28

50% of race

Time at Steady Pace

1:33:43

38% of race

Time at Slower Pace

27:50

11% of race

Average Pace: 9:21 /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 mi11:19:4125:518:1925:51
8:19
#16786
10K
6.21 mi11:46:0152:118:2426:20
8:29
#16913
15K
9.32 mi12:13:091:19:198:3127:08
8:44
#17150
20K
12.43 mi12:41:361:47:468:4028:27
9:09
#17344
Half
13.11 mi12:47:501:54:008:426:14
9:08
#17429
25K
15.53 mi13:11:352:17:458:5223:45
9:48
#17678
30K
18.64 mi13:42:282:48:389:0330:53
9:56
#17569
20M
20.00 mi13:55:213:01:319:0512:53
9:29
#17333
21M
21.00 mi14:05:513:12:019:0910:30
10:30
#17191
35K
21.75 mi14:13:293:19:399:117:38
10:12
#17218
23M
23.00 mi14:26:473:32:579:1613:18
10:37
#17257
24M
24.00 mi14:36:423:42:529:179:55
9:55
#17216
40K
24.85 mi14:45:213:51:319:198:39
10:07
#17122
25.2M
25.20 mi14:49:233:55:339:214:02
11:42
#17103
Finish
26.22 mi14:58:514:05:019:219:28
9:17
#17000
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi167866035603517665(Top 69%)6524(Top 60%)6524(Top 404%)
10K6.21 mi3.10 mi16913-1276094-596094-5917134(Top 67%)6215(Top 57%)6215(Top 385%)
15K9.32 mi3.11 mi17150-2376239-1456239-14517665(Top 69%)6524(Top 60%)6524(Top 404%)
20K12.43 mi3.11 mi17344-1946375-1366375-13618034(Top 71%)6719(Top 62%)6719(Top 417%)
Half13.11 mi0.68 mi17429-856432-576432-5718848(Top 74%)7238(Top 66%)7238(Top 449%)
25K15.53 mi2.42 mi17678-2496585-1536585-15318528(Top 73%)7114(Top 65%)7114(Top 441%)
30K18.64 mi3.11 mi17569+1096574+116574+1117171(Top 67%)6609(Top 60%)6609(Top 410%)
20M20.00 mi1.36 mi17333+2366478+966478+9614477(Top 57%)5383(Top 49%)5383(Top 334%)
21M21.00 mi1.00 mi17191+1426430+486430+4814848(Top 58%)5754(Top 53%)5754(Top 357%)
35K21.75 mi0.75 mi17218-276469-396469-3917768(Top 70%)7209(Top 66%)7209(Top 447%)
23M23.00 mi1.25 mi17257-396513-446513-4417371(Top 68%)7092(Top 65%)7092(Top 440%)
24M24.00 mi1.00 mi17216+416515-26515-216043(Top 63%)6466(Top 59%)6466(Top 401%)
40K24.85 mi0.85 mi17122+946494+216494+2115443(Top 60%)6238(Top 57%)6238(Top 387%)
25.2M25.20 mi0.35 mi17103+196502-86502-816604(Top 65%)6839(Top 63%)6839(Top 424%)
Finish26.22 mi1.02 mi17000+1036473+296473+2915572(Top 61%)6293(Top 58%)6293(Top 390%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

17665

Females

6524

F40-44

6524

5K→10K

3.1 - 6.2 mi

Top 67%
×5story building
+79ft-138ft

Overall

17134

Females

6215

F40-44

6215

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

17665

Females

6524

F40-44

6524

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

18034

Females

6719

F40-44

6719

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

18848

Females

7238

F40-44

7238

Half→25K

13.1 - 15.5 mi

Top 73%
×4story building
+66ft-88ft

Overall

18528

Females

7114

F40-44

7114

25K→30K

15.5 - 18.6 mi

Top 67%
×9story building
+181ft-148ft

Overall

17171

Females

6609

F40-44

6609

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

14477

Females

5383

F40-44

5383

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

14848

Females

5754

F40-44

5754

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

17768

Females

7209

F40-44

7209

35K→23M

21.8 - 23.0 mi

Top 68%
×5story building
+23ft-63ft

Overall

17371

Females

7092

F40-44

7092

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

16043

Females

6466

F40-44

6466

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

15443

Females

6238

F40-44

6238

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

16604

Females

6839

F40-44

6839

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2story building
+22ft-21ft

Overall

15572

Females

6293

F40-44

6293

Passing Analysis

Category:
Athletes Passed
2033
Passed By
2247
Net Change
-214
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16786
5K → 10K226353-127#16786#16913
10K → 15K165402-237#16913#17150
15K → 20K196390-194#17150#17344
20K → Half27112-85#17344#17429
Half → 25K121370-249#17429#17678
25K → 30K306197+109#17678#17569
30K → 20M25317+236#17569#17333
20M → 21M17735+142#17333#17191
21M → 35K6895-27#17191#17218
35K → 23M100139-39#17218#17257
23M → 24M9150+41#17257#17216
24M → 40K13137+94#17216#17122
40K → 25.2M4425+19#17122#17103
25.2M → Finish12825+103#17103#17000
TOTALS20332247-214
📊

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