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BOSTON MARATHON 2024

Amy Steffen

Bib: 10957•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 29%
Gender (Female)
#0 / 10924
Top 14%
Masters (Masters Women)
#0 / 6263
Top 5%
Division (F45-49)
#0 / 1753
Top 6%
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
7:07/mi
22:07
↑ 97↓ 3451.5%
10K· 6.21 mi
7:05/mi
44:08
↑ 79↓ 1380.4%
15K· 9.32 mi
7:08/mi
1:06:18
↑ 67↓ 78
20K· 12.43 mi
7:22/mi
1:29:12
↑ 106↓ 860.1%
Half· 13.11 mi
7:09/mi
1:34:05
↑ 19↓ 370.5%
25K· 15.53 mi
7:37/mi
1:52:34
↑ 66↓ 880.2%
30K· 18.64 mi
7:59/mi
2:17:21
↑ 181↓ 1480.2%
20M
8:09/mi
2:28:25
↑ 64↓ 500.2%
21M
8:31/mi
2:36:56
↑ 106↓ 241.6%
35K· 21.75 mi
8:13/mi
2:43:05
↑ 17↓ 861.7%
23M
9:15/mi
2:54:40
↑ 23↓ 630.6%
24M
8:26/mi
3:03:06
↓ 821.3%
40K· 24.85 mi
8:29/mi
3:10:21
↓ 200.3%
25.2M
9:34/mi
3:13:39
↑ 13↓ 160.2%
Finish· 26.22 mi
8:23/mi
3:22:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:05
Pace7:11 /mi
2nd Half
Distance13.11 mi
Time1:48:07
Pace8:15 /mi
📊Positive Split: 14.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:2622:077:0722:07
7:07
-
10K
6.21 mi11:10:2744:087:0622:01
7:05
-0:02
15K
9.32 mi11:32:371:06:187:0722:10
7:08
+0:03
20K
12.43 mi11:55:311:29:127:1122:54
7:22
+0:14
Half
13.11 mi12:00:241:34:057:114:53
7:09
-0:13
25K
15.53 mi12:18:531:52:347:1518:29
7:37
+0:28
30K
18.64 mi12:43:402:17:217:2224:47
7:59
+0:22
20M
20.00 mi12:54:442:28:257:2511:04
8:09
+0:10
21M
21.00 mi13:03:152:36:567:288:31
8:31
+0:22
35K
21.75 mi13:09:242:43:057:306:09
8:13
-0:18
23M
23.00 mi13:20:592:54:407:3611:35
9:15
+1:02
24M
24.00 mi13:29:253:03:067:388:26
8:26
-0:49
40K
24.85 mi13:36:403:10:217:407:15
8:29
+0:03
25.2M
25.20 mi13:39:583:13:397:413:18
9:34
+1:05
Finish
26.22 mi13:48:313:22:127:438:33
8:23
-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

7:05 /mi

Average Pace

7:43 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:34

56% of race

Time at Steady Pace

1:14:45

37% of race

Time at Slower Pace

14:53

7% of race

Average Pace: 7:43 /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 mi10:48:2622:077:0722:07
7:07
#7816
10K
6.21 mi11:10:2744:087:0622:01
7:05
#7473
15K
9.32 mi11:32:371:06:187:0722:10
7:08
#7292
20K
12.43 mi11:55:311:29:127:1122:54
7:22
#7299
Half
13.11 mi12:00:241:34:057:114:53
7:09
#7260
25K
15.53 mi12:18:531:52:347:1518:29
7:37
#7260
30K
18.64 mi12:43:402:17:217:2224:47
7:59
#7242
20M
20.00 mi12:54:442:28:257:2511:04
8:09
#7213
21M
21.00 mi13:03:152:36:567:288:31
8:31
#7047
35K
21.75 mi13:09:242:43:057:306:09
8:13
#7064
23M
23.00 mi13:20:592:54:407:3611:35
9:15
#7354
24M
24.00 mi13:29:253:03:067:388:26
8:26
#7361
40K
24.85 mi13:36:403:10:217:407:15
8:29
#7334
25.2M
25.20 mi13:39:583:13:397:413:18
9:34
#7336
Finish
26.22 mi13:48:313:22:127:438:33
8:23
#7435
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi7816110011007034(Top 28%)925(Top 8%)925(Top 53%)
10K6.21 mi3.10 mi7473+343998+102998+1027212(Top 28%)944(Top 9%)944(Top 54%)
15K9.32 mi3.11 mi7292+181953+45953+457034(Top 28%)925(Top 8%)925(Top 53%)
20K12.43 mi3.11 mi7299-7989-36989-367443(Top 29%)1163(Top 11%)1163(Top 66%)
Half13.11 mi0.68 mi7260+39982+7982+76762(Top 26%)929(Top 9%)929(Top 53%)
25K15.53 mi2.42 mi72601021-391021-397790(Top 30%)1475(Top 14%)1475(Top 84%)
30K18.64 mi3.11 mi7242+181072-511072-517741(Top 30%)1664(Top 15%)1664(Top 95%)
20M20.00 mi1.36 mi7213+291104-321104-327552(Top 30%)1784(Top 16%)1784(Top 102%)
21M21.00 mi1.00 mi7047+1661098+61098+66326(Top 25%)1440(Top 13%)1440(Top 82%)
35K21.75 mi0.75 mi7064-171134-361134-369103(Top 36%)2763(Top 25%)2763(Top 158%)
23M23.00 mi1.25 mi7354-2901303-1691303-16912381(Top 48%)4593(Top 42%)4593(Top 262%)
24M24.00 mi1.00 mi7361-71349-461349-469056(Top 35%)2965(Top 27%)2965(Top 169%)
40K24.85 mi0.85 mi7334+271387-381387-388246(Top 32%)2691(Top 25%)2691(Top 154%)
25.2M25.20 mi0.35 mi7336-21404-171404-179027(Top 35%)3145(Top 29%)3145(Top 179%)
Finish26.22 mi1.02 mi7435-991489-851489-8510897(Top 43%)3918(Top 36%)3918(Top 224%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21story building
+97ft-345ft

Overall

7034

Females

925

F45-49

925

5K→10K

3.1 - 6.2 mi

Top 28%
×5story building
+79ft-138ft

Overall

7212

Females

944

F45-49

944

10K→15K

6.2 - 9.3 mi

Top 28%
×3story building
+67ft-78ft

Overall

7034

Females

925

F45-49

925

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

7443

Females

1163

F45-49

1163

20K→Half

12.4 - 13.1 mi

Top 26%
×2story building
+19ft-37ft

Overall

6762

Females

929

F45-49

929

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

7790

Females

1475

F45-49

1475

25K→30K

15.5 - 18.6 mi

Top 30%
×9story building
+181ft-148ft

Overall

7741

Females

1664

F45-49

1664

30K→20M

18.6 - 20.0 mi

Top 30%
×5story building
+64ft-50ft

Overall

7552

Females

1784

F45-49

1784

20M→21M

20.0 - 21.0 mi

Top 25%
×8story building
+106ft-24ft

Overall

6326

Females

1440

F45-49

1440

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

9103

Females

2763

F45-49

2763

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

12381

Females

4593

F45-49

4593

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

9056

Females

2965

F45-49

2965

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8246

Females

2691

F45-49

2691

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9027

Females

3145

F45-49

3145

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

10897

Females

3918

F45-49

3918

Passing Analysis

Category:
Athletes Passed
2046
Passed By
1665
Net Change
+381
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7816
5K → 10K41774+343#7816#7473
10K → 15K23857+181#7473#7292
15K → 20K178185-7#7292#7299
20K → Half5213+39#7299#7260
Half → 25K1851850#7260#7260
25K → 30K225207+18#7260#7242
30K → 20M12495+29#7242#7213
20M → 21M20741+166#7213#7047
21M → 35K7794-17#7047#7064
35K → 23M60350-290#7064#7354
23M → 24M8794-7#7354#7361
24M → 40K9366+27#7361#7334
40K → 25.2M4648-2#7334#7336
25.2M → Finish57156-99#7336#7435
TOTALS20461665+381
📊

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