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BOSTON MARATHON 2024

Katie James

Bib: 18711•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 48%
Gender (Female)
#0 / 10924
Top 36%
Masters (Masters Women)
#0 / 6263
Top 24%
Division (F40-44)
#0 / 1613
Top 42%
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
7:43/mi
23:57
↑ 97↓ 3451.5%
10K· 6.21 mi
7:41/mi
47:50
↑ 79↓ 1380.4%
15K· 9.32 mi
7:57/mi
1:12:31
↑ 67↓ 78
20K· 12.43 mi
8:39/mi
1:39:24
↑ 106↓ 860.1%
Half· 13.11 mi
8:12/mi
1:45:00
↑ 19↓ 370.5%
25K· 15.53 mi
8:31/mi
2:05:39
↑ 66↓ 880.2%
30K· 18.64 mi
9:16/mi
2:34:26
↑ 181↓ 1480.2%
20M
8:59/mi
2:46:39
↑ 64↓ 500.2%
21M
9:43/mi
2:56:22
↑ 106↓ 241.6%
35K· 21.75 mi
8:20/mi
3:02:36
↑ 17↓ 861.7%
23M
8:42/mi
3:13:30
↑ 23↓ 630.6%
24M
8:40/mi
3:22:10
↓ 821.3%
40K· 24.85 mi
9:03/mi
3:29:54
↓ 200.3%
25.2M
9:46/mi
3:33:16
↑ 13↓ 160.2%
Finish· 26.22 mi
8:03/mi
3:41:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:00
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time1:56:28
Pace8:53 /mi
📊Positive Split: 10.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:3623:577:4323:57
7:43
-
10K
6.21 mi11:39:2947:507:4223:53
7:41
-0:02
15K
9.32 mi12:04:101:12:317:4724:41
7:57
+0:16
20K
12.43 mi12:31:031:39:248:0026:53
8:39
+0:42
Half
13.11 mi12:36:391:45:008:015:36
8:12
-0:27
25K
15.53 mi12:57:182:05:398:0520:39
8:31
+0:19
30K
18.64 mi13:26:052:34:268:1728:47
9:16
+0:45
20M
20.00 mi13:38:182:46:398:2012:13
8:59
-0:17
21M
21.00 mi13:48:012:56:228:249:43
9:43
+0:44
35K
21.75 mi13:54:153:02:368:246:14
8:20
-1:23
23M
23.00 mi14:05:093:13:308:2510:54
8:42
+0:22
24M
24.00 mi14:13:493:22:108:258:40
8:40
-0:02
40K
24.85 mi14:21:333:29:548:277:44
9:03
+0:23
25.2M
25.20 mi14:24:553:33:168:283:22
9:46
+0:43
Finish
26.22 mi14:33:073:41:288:278:12
8:03
-1:43

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

7:41 /mi

Average Pace

8:27 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:33

42% of race

Time at Steady Pace

1:07:06

30% of race

Time at Slower Pace

1:01:49

28% of race

Average Pace: 8:27 /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 mi11:15:3623:577:4323:57
7:43
#12393
10K
6.21 mi11:39:2947:507:4223:53
7:41
#12098
15K
9.32 mi12:04:101:12:317:4724:41
7:57
#12367
20K
12.43 mi12:31:031:39:248:0026:53
8:39
#13420
Half
13.11 mi12:36:391:45:008:015:36
8:12
#13463
25K
15.53 mi12:57:182:05:398:0520:39
8:31
#13338
30K
18.64 mi13:26:052:34:268:1728:47
9:16
#13519
20M
20.00 mi13:38:182:46:398:2012:13
8:59
#13345
21M
21.00 mi13:48:012:56:228:249:43
9:43
#13210
35K
21.75 mi13:54:153:02:368:246:14
8:20
#13037
23M
23.00 mi14:05:093:13:308:2510:54
8:42
#12795
24M
24.00 mi14:13:493:22:108:258:40
8:40
#12649
40K
24.85 mi14:21:333:29:548:277:44
9:03
#12549
25.2M
25.20 mi14:24:553:33:168:283:22
9:46
#12470
Finish
26.22 mi14:33:073:41:288:278:12
8:03
#12320
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi123933356335613052(Top 51%)3832(Top 35%)3832(Top 238%)
10K6.21 mi3.10 mi12098+2953219+1373219+13711781(Top 46%)3076(Top 28%)3076(Top 191%)
15K9.32 mi3.11 mi12367-2693395-1763395-17613052(Top 51%)3832(Top 35%)3832(Top 238%)
20K12.43 mi3.11 mi13420-10534027-6324027-63215592(Top 61%)5338(Top 49%)5338(Top 331%)
Half13.11 mi0.68 mi13463-434047-204047-2014068(Top 55%)4502(Top 41%)4502(Top 279%)
25K15.53 mi2.42 mi13338+1254002+454002+4513155(Top 51%)4129(Top 38%)4129(Top 256%)
30K18.64 mi3.11 mi13519-1814207-2054207-20514471(Top 57%)5127(Top 47%)5127(Top 318%)
20M20.00 mi1.36 mi13345+1744183+244183+2412089(Top 47%)4070(Top 37%)4070(Top 252%)
21M21.00 mi1.00 mi13210+1354160+234160+2311788(Top 46%)4149(Top 38%)4149(Top 257%)
35K21.75 mi0.75 mi13037+1734097+634097+639824(Top 38%)3140(Top 29%)3140(Top 195%)
23M23.00 mi1.25 mi12795+2424006+914006+919609(Top 38%)3193(Top 29%)3193(Top 198%)
24M24.00 mi1.00 mi12649+1463980+263980+2610418(Top 41%)3647(Top 33%)3647(Top 226%)
40K24.85 mi0.85 mi12549+1003971+93971+911083(Top 43%)4091(Top 37%)4091(Top 254%)
25.2M25.20 mi0.35 mi12470+793949+223949+229966(Top 39%)3610(Top 33%)3610(Top 224%)
Finish26.22 mi1.02 mi12320+1503901+483901+488854(Top 35%)2995(Top 27%)2995(Top 186%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

13052

Females

3832

F40-44

3832

5K→10K

3.1 - 6.2 mi

Top 46%
×5story building
+79ft-138ft

Overall

11781

Females

3076

F40-44

3076

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

13052

Females

3832

F40-44

3832

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

15592

Females

5338

F40-44

5338

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

14068

Females

4502

F40-44

4502

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

13155

Females

4129

F40-44

4129

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

14471

Females

5127

F40-44

5127

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

12089

Females

4070

F40-44

4070

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

11788

Females

4149

F40-44

4149

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

9824

Females

3140

F40-44

3140

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

9609

Females

3193

F40-44

3193

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

10418

Females

3647

F40-44

3647

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11083

Females

4091

F40-44

4091

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

9966

Females

3610

F40-44

3610

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

8854

Females

2995

F40-44

2995

Passing Analysis

Category:
Athletes Passed
2657
Passed By
2584
Net Change
+73
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12393
5K → 10K462167+295#12393#12098
10K → 15K155424-269#12098#12367
15K → 20K681121-1053#12367#13420
20K → Half3376-43#13420#13463
Half → 25K282157+125#13463#13338
25K → 30K221402-181#13338#13519
30K → 20M22450+174#13519#13345
20M → 21M19560+135#13345#13210
21M → 35K1807+173#13210#13037
35K → 23M26826+242#13037#12795
23M → 24M17327+146#12795#12649
24M → 40K14242+100#12649#12549
40K → 25.2M9213+79#12549#12470
25.2M → Finish16212+150#12470#12320
TOTALS26572584+73
📊

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