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BOSTON MARATHON 2024

Monica Zarth

Bib: 21316•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Top 44%
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
8:35/mi
26:39
↑ 97↓ 3451.5%
10K· 6.21 mi
8:37/mi
53:24
↑ 79↓ 1380.4%
15K· 9.32 mi
8:37/mi
1:20:10
↑ 67↓ 78
20K· 12.43 mi
8:56/mi
1:47:54
↑ 106↓ 860.1%
Half· 13.11 mi
8:33/mi
1:53:44
↑ 19↓ 370.5%
25K· 15.53 mi
9:04/mi
2:15:43
↑ 66↓ 880.2%
30K· 18.64 mi
9:08/mi
2:44:05
↑ 181↓ 1480.2%
20M
9:14/mi
2:56:38
↑ 64↓ 500.2%
21M
9:56/mi
3:06:34
↑ 106↓ 241.6%
35K· 21.75 mi
8:47/mi
3:13:08
↑ 17↓ 861.7%
23M
9:48/mi
3:25:24
↑ 23↓ 630.6%
24M
9:33/mi
3:34:57
↓ 821.3%
40K· 24.85 mi
9:49/mi
3:43:21
↓ 200.3%
25.2M
11:16/mi
3:47:14
↑ 13↓ 160.2%
Finish· 26.22 mi
9:04/mi
3:56:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:44
Pace8:41 /mi
2nd Half
Distance13.11 mi
Time2:02:44
Pace9:22 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:3726:398:3526:39
8:35
-
10K
6.21 mi11:49:2253:248:3626:45
8:37
+0:02
15K
9.32 mi12:16:081:20:108:3626:46
8:37
0:00
20K
12.43 mi12:43:521:47:548:4127:44
8:56
+0:19
Half
13.11 mi12:49:421:53:448:415:50
8:33
-0:23
25K
15.53 mi13:11:412:15:438:4421:59
9:04
+0:31
30K
18.64 mi13:40:032:44:058:4828:22
9:08
+0:04
20M
20.00 mi13:52:362:56:388:5012:33
9:14
+0:06
21M
21.00 mi14:02:323:06:348:539:56
9:56
+0:42
35K
21.75 mi14:09:063:13:088:536:34
8:47
-1:09
23M
23.00 mi14:21:223:25:248:5612:16
9:48
+1:01
24M
24.00 mi14:30:553:34:578:579:33
9:33
-0:15
40K
24.85 mi14:39:193:43:218:598:24
9:49
+0:16
25.2M
25.20 mi14:43:123:47:149:013:53
11:16
+1:27
Finish
26.22 mi14:52:263:56:289:029:14
9:04
-2:12

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

8:33 /mi

Average Pace

9:02 /mi

Slowest Pace

11:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:00

36% of race

Time at Steady Pace

1:46:26

45% of race

Time at Slower Pace

44:02

19% of race

Average Pace: 9:01 /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 mi11:22:3726:398:3526:39
8:35
#18196
10K
6.21 mi11:49:2253:248:3626:45
8:37
#18043
15K
9.32 mi12:16:081:20:108:3626:46
8:37
#17686
20K
12.43 mi12:43:521:47:548:4127:44
8:56
#17412
Half
13.11 mi12:49:421:53:448:415:50
8:33
#17305
25K
15.53 mi13:11:412:15:438:4421:59
9:04
#17028
30K
18.64 mi13:40:032:44:058:4828:22
9:08
#16416
20M
20.00 mi13:52:362:56:388:5012:33
9:14
#16185
21M
21.00 mi14:02:323:06:348:539:56
9:56
#15972
35K
21.75 mi14:09:063:13:088:536:34
8:47
#15845
23M
23.00 mi14:21:223:25:248:5612:16
9:48
#15776
24M
24.00 mi14:30:553:34:578:579:33
9:33
#15710
40K
24.85 mi14:39:193:43:218:598:24
9:49
#15651
25.2M
25.20 mi14:43:123:47:149:013:53
11:16
#15636
Finish
26.22 mi14:52:263:56:289:029:14
9:04
#15557
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi181966880688017057(Top 67%)6169(Top 56%)6169(Top 352%)
10K6.21 mi3.10 mi18043+1536768+1126768+11217917(Top 70%)6670(Top 61%)6670(Top 380%)
15K9.32 mi3.11 mi17686+3576541+2276541+22717057(Top 67%)6169(Top 56%)6169(Top 352%)
20K12.43 mi3.11 mi17412+2746415+1266415+12617020(Top 67%)6179(Top 57%)6179(Top 352%)
Half13.11 mi0.68 mi17305+1076361+546361+5416044(Top 63%)5653(Top 52%)5653(Top 322%)
25K15.53 mi2.42 mi17028+2776213+1486213+14815809(Top 62%)5610(Top 51%)5610(Top 320%)
30K18.64 mi3.11 mi16416+6125921+2925921+29213881(Top 54%)4784(Top 44%)4784(Top 273%)
20M20.00 mi1.36 mi16185+2315817+1045817+10413343(Top 52%)4765(Top 44%)4765(Top 272%)
21M21.00 mi1.00 mi15972+2135736+815736+8112728(Top 50%)4652(Top 43%)4652(Top 265%)
35K21.75 mi0.75 mi15845+1275685+515685+5112269(Top 48%)4433(Top 41%)4433(Top 253%)
23M23.00 mi1.25 mi15776+695690-55690-514744(Top 58%)5794(Top 53%)5794(Top 331%)
24M24.00 mi1.00 mi15710+665686+45686+414685(Top 57%)5787(Top 53%)5787(Top 330%)
40K24.85 mi0.85 mi15651+595681+55681+514376(Top 56%)5711(Top 52%)5711(Top 326%)
25.2M25.20 mi0.35 mi15636+155693-125693-1215373(Top 60%)6211(Top 57%)6211(Top 354%)
Finish26.22 mi1.02 mi15557+795677+165677+1614513(Top 57%)5725(Top 52%)5725(Top 327%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

17057

Females

6169

F45-49

6169

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

17917

Females

6670

F45-49

6670

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

17057

Females

6169

F45-49

6169

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

17020

Females

6179

F45-49

6179

20K→Half

12.4 - 13.1 mi

Top 63%
×2story building
+19ft-37ft

Overall

16044

Females

5653

F45-49

5653

Half→25K

13.1 - 15.5 mi

Top 62%
×4story building
+66ft-88ft

Overall

15809

Females

5610

F45-49

5610

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

13881

Females

4784

F45-49

4784

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

13343

Females

4765

F45-49

4765

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

12728

Females

4652

F45-49

4652

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

12269

Females

4433

F45-49

4433

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

14744

Females

5794

F45-49

5794

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

14685

Females

5787

F45-49

5787

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14376

Females

5711

F45-49

5711

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15373

Females

6211

F45-49

6211

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

14513

Females

5725

F45-49

5725

Passing Analysis

Category:
Athletes Passed
3409
Passed By
770
Net Change
+2639
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18196
5K → 10K355202+153#18196#18043
10K → 15K43275+357#18043#17686
15K → 20K396122+274#17686#17412
20K → Half1169+107#17412#17305
Half → 25K33659+277#17305#17028
25K → 30K63725+612#17028#16416
30K → 20M24514+231#16416#16185
20M → 21M23926+213#16185#15972
21M → 35K1325+127#15972#15845
35K → 23M15384+69#15845#15776
23M → 24M11347+66#15776#15710
24M → 40K10142+59#15710#15651
40K → 25.2M4429+15#15651#15636
25.2M → Finish11031+79#15636#15557
TOTALS3409770+2639
📊

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