Boston Marathon logo
BOSTON MARATHON 2024

Sarah Johnson

Bib: 12475•F

NY

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 13%
Gender (Female)
#0 / 10924
Top 2%
Masters (Masters Women)
#0 / 6263
Top 0.6%
Division (F40-44)
#0 / 1613
Top 2%
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
7:08/mi
22:11
↑ 97↓ 3451.5%
10K· 6.21 mi
6:53/mi
43:33
↑ 79↓ 1380.4%
15K· 9.32 mi
6:56/mi
1:05:07
↑ 67↓ 78
20K· 12.43 mi
6:59/mi
1:26:50
↑ 106↓ 860.1%
Half· 13.11 mi
6:49/mi
1:31:29
↑ 19↓ 370.5%
25K· 15.53 mi
7:02/mi
1:48:31
↑ 66↓ 880.2%
30K· 18.64 mi
7:04/mi
2:10:29
↑ 181↓ 1480.2%
20M
7:01/mi
2:20:01
↑ 64↓ 500.2%
21M
7:21/mi
2:27:22
↑ 106↓ 241.6%
35K· 21.75 mi
6:48/mi
2:32:27
↑ 17↓ 861.7%
23M
6:56/mi
2:41:08
↑ 23↓ 630.6%
24M
6:56/mi
2:48:04
↓ 821.3%
40K· 24.85 mi
6:56/mi
2:54:00
↓ 200.3%
25.2M
7:41/mi
2:56:39
↑ 13↓ 160.2%
Finish· 26.22 mi
6:40/mi
3:03:27
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:31:29
Pace6:59 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:31:58
Pace7:01 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1522:117:0822:11
7:08
-
10K
6.21 mi11:12:3743:337:0121:22
6:53
-0:15
15K
9.32 mi11:34:111:05:076:5921:34
6:56
+0:03
20K
12.43 mi11:55:541:26:506:5921:43
6:59
+0:03
Half
13.11 mi12:00:331:31:296:594:39
6:49
-0:10
25K
15.53 mi12:17:351:48:316:5917:02
7:02
+0:13
30K
18.64 mi12:39:332:10:297:0021:58
7:04
+0:02
20M
20.00 mi12:49:052:20:017:009:32
7:01
-0:03
21M
21.00 mi12:56:262:27:227:017:21
7:21
+0:20
35K
21.75 mi13:01:312:32:277:015:05
6:48
-0:33
23M
23.00 mi13:10:122:41:087:008:41
6:56
+0:08
24M
24.00 mi13:17:082:48:047:006:56
6:56
0:00
40K
24.85 mi13:23:042:54:007:005:56
6:56
0:00
25.2M
25.20 mi13:25:432:56:397:012:39
7:41
+0:45
Finish
26.22 mi13:32:313:03:277:006:48
6:40
-1:01

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

6:40 /mi

Average Pace

7:00 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:27

95% of race

Time at Steady Pace

10:00

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:00 /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 mi10:51:1522:117:0822:11
7:08
#7955
10K
6.21 mi11:12:3743:337:0121:22
6:53
#6894
15K
9.32 mi11:34:111:05:076:5921:34
6:56
#6516
20K
12.43 mi11:55:541:26:506:5921:43
6:59
#6086
Half
13.11 mi12:00:331:31:296:594:39
6:49
#6005
25K
15.53 mi12:17:351:48:316:5917:02
7:02
#5643
30K
18.64 mi12:39:332:10:297:0021:58
7:04
#4992
20M
20.00 mi12:49:052:20:017:009:32
7:01
#4691
21M
21.00 mi12:56:262:27:227:017:21
7:21
#4411
35K
21.75 mi13:01:312:32:277:015:05
6:48
#4252
23M
23.00 mi13:10:122:41:087:008:41
6:56
#3958
24M
24.00 mi13:17:082:48:047:006:56
6:56
#3781
40K
24.85 mi13:23:042:54:007:005:56
6:56
#3641
25.2M
25.20 mi13:25:432:56:397:012:39
7:41
#3564
Finish
26.22 mi13:32:313:03:277:006:48
6:40
#3417
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi7955114511455868(Top 23%)567(Top 5%)567(Top 35%)
10K6.21 mi3.10 mi6894+1061814+331814+3315844(Top 23%)538(Top 5%)538(Top 33%)
15K9.32 mi3.11 mi6516+378721+93721+935868(Top 23%)567(Top 5%)567(Top 35%)
20K12.43 mi3.11 mi6086+430613+108613+1085202(Top 20%)460(Top 4%)460(Top 29%)
Half13.11 mi0.68 mi6005+81596+17596+174690(Top 18%)358(Top 3%)358(Top 22%)
25K15.53 mi2.42 mi5643+362531+65531+654477(Top 18%)379(Top 3%)379(Top 23%)
30K18.64 mi3.11 mi4992+651421+110421+1103199(Top 13%)239(Top 2%)239(Top 15%)
20M20.00 mi1.36 mi4691+301387+34387+342451(Top 10%)167(Top 2%)167(Top 10%)
21M21.00 mi1.00 mi4411+280352+35352+352046(Top 8%)146(Top 1%)146(Top 9%)
35K21.75 mi0.75 mi4252+159341+11341+112305(Top 9%)188(Top 2%)188(Top 12%)
23M23.00 mi1.25 mi3958+294307+34307+341740(Top 7%)135(Top 1%)135(Top 8%)
24M24.00 mi1.00 mi3781+177290+17290+172130(Top 8%)206(Top 2%)206(Top 13%)
40K24.85 mi0.85 mi3641+140277+13277+131701(Top 7%)155(Top 1%)155(Top 10%)
25.2M25.20 mi0.35 mi3564+77275+2275+21916(Top 7%)215(Top 2%)215(Top 13%)
Finish26.22 mi1.02 mi3417+147266+9266+91925(Top 8%)227(Top 2%)227(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21story building
+97ft-345ft

Overall

5868

Females

567

F40-44

567

5K→10K

3.1 - 6.2 mi

Top 23%
×5story building
+79ft-138ft

Overall

5844

Females

538

F40-44

538

10K→15K

6.2 - 9.3 mi

Top 23%
×3story building
+67ft-78ft

Overall

5868

Females

567

F40-44

567

15K→20K

9.3 - 12.4 mi

Top 20%
×5story building
+106ft-86ft

Overall

5202

Females

460

F40-44

460

20K→Half

12.4 - 13.1 mi

Top 18%
×2story building
+19ft-37ft

Overall

4690

Females

358

F40-44

358

Half→25K

13.1 - 15.5 mi

Top 18%
×4story building
+66ft-88ft

Overall

4477

Females

379

F40-44

379

25K→30K

15.5 - 18.6 mi

Top 13%
×9story building
+181ft-148ft

Overall

3199

Females

239

F40-44

239

30K→20M

18.6 - 20.0 mi

Top 10%
×5story building
+64ft-50ft

Overall

2451

Females

167

F40-44

167

20M→21M

20.0 - 21.0 mi

Top 8%
×8story building
+106ft-24ft

Overall

2046

Females

146

F40-44

146

21M→35K

21.0 - 21.8 mi

Top 9%
×7story building
+17ft-86ft

Overall

2305

Females

188

F40-44

188

35K→23M

21.8 - 23.0 mi

Top 7%
×5story building
+23ft-63ft

Overall

1740

Females

135

F40-44

135

23M→24M

23.0 - 24.0 mi

Top 8%
×6story building
+12ft-82ft

Overall

2130

Females

206

F40-44

206

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1701

Females

155

F40-44

155

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1916

Females

215

F40-44

215

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2story building
+22ft-21ft

Overall

1925

Females

227

F40-44

227

Passing Analysis

Category:
Athletes Passed
4615
Passed By
77
Net Change
+4538
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7955
5K → 10K10665+1061#7955#6894
10K → 15K40123+378#6894#6516
15K → 20K44111+430#6516#6086
20K → Half832+81#6086#6005
Half → 25K37513+362#6005#5643
25K → 30K6532+651#5643#4992
30K → 20M3021+301#4992#4691
20M → 21M2844+280#4691#4411
21M → 35K1601+159#4411#4252
35K → 23M2962+294#4252#3958
23M → 24M1836+177#3958#3781
24M → 40K1433+140#3781#3641
40K → 25.2M781+77#3641#3564
25.2M → Finish1503+147#3564#3417
TOTALS461577+4538
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing