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BOSTON MARATHON 2024

Monika Ammerlaan

Bib: 17188•F

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 38%
Gender (Female)
#0 / 10924
Top 23%
Masters (Masters Women)
#0 / 6263
Top 12%
Division (F45-49)
#0 / 1753
Top 13%
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
7:58/mi
24:46
↑ 97↓ 3451.5%
10K· 6.21 mi
7:48/mi
49:01
↑ 79↓ 1380.4%
15K· 9.32 mi
7:52/mi
1:13:28
↑ 67↓ 78
20K· 12.43 mi
8:00/mi
1:38:18
↑ 106↓ 860.1%
Half· 13.11 mi
7:50/mi
1:43:39
↑ 19↓ 370.5%
25K· 15.53 mi
8:01/mi
2:03:05
↑ 66↓ 880.2%
30K· 18.64 mi
8:18/mi
2:28:51
↑ 181↓ 1480.2%
20M
8:15/mi
2:40:04
↑ 64↓ 500.2%
21M
8:42/mi
2:48:46
↑ 106↓ 241.6%
35K· 21.75 mi
7:57/mi
2:54:43
↑ 17↓ 861.7%
23M
8:10/mi
3:04:56
↑ 23↓ 630.6%
24M
7:57/mi
3:12:53
↓ 821.3%
40K· 24.85 mi
8:07/mi
3:19:49
↓ 200.3%
25.2M
9:02/mi
3:22:56
↑ 13↓ 160.2%
Finish· 26.22 mi
7:51/mi
3:30:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:39
Pace7:54 /mi
2nd Half
Distance13.11 mi
Time1:47:17
Pace8:11 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:5224:467:5824:46
7:58
-
10K
6.21 mi11:40:0749:017:5324:15
7:48
-0:10
15K
9.32 mi12:04:341:13:287:5324:27
7:52
+0:04
20K
12.43 mi12:29:241:38:187:5524:50
8:00
+0:08
Half
13.11 mi12:34:451:43:397:545:21
7:50
-0:10
25K
15.53 mi12:54:112:03:057:5519:26
8:01
+0:11
30K
18.64 mi13:19:572:28:517:5925:46
8:18
+0:17
20M
20.00 mi13:31:102:40:048:0011:13
8:15
-0:03
21M
21.00 mi13:39:522:48:468:028:42
8:42
+0:27
35K
21.75 mi13:45:492:54:438:025:57
7:57
-0:45
23M
23.00 mi13:56:023:04:568:0210:13
8:10
+0:13
24M
24.00 mi14:03:593:12:538:027:57
7:57
-0:13
40K
24.85 mi14:10:553:19:498:026:56
8:07
+0:10
25.2M
25.20 mi14:14:023:22:568:033:07
9:02
+0:55
Finish
26.22 mi14:22:023:30:568:038:00
7:51
-1:11

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

7:48 /mi

Average Pace

8:03 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:19:07

94% of race

Time at Steady Pace

11:49

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:03 /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 mi11:15:5224:467:5824:46
7:58
#14452
10K
6.21 mi11:40:0749:017:5324:15
7:48
#13550
15K
9.32 mi12:04:341:13:287:5324:27
7:52
#13174
20K
12.43 mi12:29:241:38:187:5524:50
8:00
#12719
Half
13.11 mi12:34:451:43:397:545:21
7:50
#12647
25K
15.53 mi12:54:112:03:057:5519:26
8:01
#12147
30K
18.64 mi13:19:572:28:517:5925:46
8:18
#11555
20M
20.00 mi13:31:102:40:048:0011:13
8:15
#11210
21M
21.00 mi13:39:522:48:468:028:42
8:42
#10841
35K
21.75 mi13:45:492:54:438:025:57
7:57
#10701
23M
23.00 mi13:56:023:04:568:0210:13
8:10
#10365
24M
24.00 mi14:03:593:12:538:027:57
7:57
#10152
40K
24.85 mi14:10:553:19:498:026:56
8:07
#9983
25.2M
25.20 mi14:14:023:22:568:033:07
9:02
#9893
Finish
26.22 mi14:22:023:30:568:038:00
7:51
#9774
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi144524590459012460(Top 49%)3485(Top 32%)3485(Top 199%)
10K6.21 mi3.10 mi13550+9024061+5294061+52912707(Top 50%)3590(Top 33%)3590(Top 205%)
15K9.32 mi3.11 mi13174+3763848+2133848+21312460(Top 49%)3485(Top 32%)3485(Top 199%)
20K12.43 mi3.11 mi12719+4553611+2373611+23711773(Top 46%)3196(Top 29%)3196(Top 182%)
Half13.11 mi0.68 mi12647+723582+293582+2911662(Top 46%)3143(Top 29%)3143(Top 179%)
25K15.53 mi2.42 mi12147+5003347+2353347+23510300(Top 40%)2635(Top 24%)2635(Top 150%)
30K18.64 mi3.11 mi11555+5923119+2283119+2289538(Top 37%)2473(Top 23%)2473(Top 141%)
20M20.00 mi1.36 mi11210+3452991+1282991+1288145(Top 32%)2054(Top 19%)2054(Top 117%)
21M21.00 mi1.00 mi10841+3692863+1282863+1287175(Top 28%)1802(Top 16%)1802(Top 103%)
35K21.75 mi0.75 mi10701+1402817+462817+467548(Top 30%)2018(Top 18%)2018(Top 115%)
23M23.00 mi1.25 mi10365+3362711+1062711+1066608(Top 26%)1734(Top 16%)1734(Top 99%)
24M24.00 mi1.00 mi10152+2132649+622649+626399(Top 25%)1722(Top 16%)1722(Top 98%)
40K24.85 mi0.85 mi9983+1692600+492600+496352(Top 25%)1818(Top 17%)1818(Top 104%)
25.2M25.20 mi0.35 mi9893+902577+232577+236786(Top 27%)2080(Top 19%)2080(Top 119%)
Finish26.22 mi1.02 mi9774+1192549+282549+287660(Top 30%)2410(Top 22%)2410(Top 137%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

12460

Females

3485

F45-49

3485

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

12707

Females

3590

F45-49

3590

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

12460

Females

3485

F45-49

3485

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

11773

Females

3196

F45-49

3196

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

11662

Females

3143

F45-49

3143

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

10300

Females

2635

F45-49

2635

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

9538

Females

2473

F45-49

2473

30K→20M

18.6 - 20.0 mi

Top 32%
×5story building
+64ft-50ft

Overall

8145

Females

2054

F45-49

2054

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

7175

Females

1802

F45-49

1802

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

7548

Females

2018

F45-49

2018

35K→23M

21.8 - 23.0 mi

Top 26%
×5story building
+23ft-63ft

Overall

6608

Females

1734

F45-49

1734

23M→24M

23.0 - 24.0 mi

Top 25%
×6story building
+12ft-82ft

Overall

6399

Females

1722

F45-49

1722

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6352

Females

1818

F45-49

1818

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

6786

Females

2080

F45-49

2080

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

7660

Females

2410

F45-49

2410

Passing Analysis

Category:
Athletes Passed
5014*
Passed By
336
Net Change
+4678
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14452
5K → 10K94341+902#14452#13550
10K → 15K44064+376#13550#13174
15K → 20K50853+455#13174#12719
20K → Half8816+72#12719#12647
Half → 25K52525+500#12647#12147
25K → 30K64149+592#12147#11555
30K → 20M36116+345#11555#11210
20M → 21M37910+369#11210#10841
21M → 35K15010+140#10841#10701
35K → 23M3437+336#10701#10365
23M → 24M2207+213#10365#10152
24M → 40K180*11+169#10152#9983
40K → 25.2M966+90#9983#9893
25.2M → Finish14021+119#9893#9774
TOTALS5014*336+4678

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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