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BOSTON MARATHON 2024

Katrina Lambert

Bib: 19314•F

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 43%
Gender (Female)
#0 / 10924
Top 30%
Masters (Masters Women)
#0 / 6263
Top 17%
Division (F40-44)
#0 / 1613
Top 33%
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
8:02/mi
24:59
↑ 97↓ 3451.5%
10K· 6.21 mi
7:58/mi
49:45
↑ 79↓ 1380.4%
15K· 9.32 mi
7:53/mi
1:14:16
↑ 67↓ 78
20K· 12.43 mi
7:59/mi
1:39:05
↑ 106↓ 860.1%
Half· 13.11 mi
7:46/mi
1:44:23
↑ 19↓ 370.5%
25K· 15.53 mi
8:20/mi
2:04:35
↑ 66↓ 880.2%
30K· 18.64 mi
8:24/mi
2:30:40
↑ 181↓ 1480.2%
20M
8:39/mi
2:42:25
↑ 64↓ 500.2%
21M
9:25/mi
2:51:50
↑ 106↓ 241.6%
35K· 21.75 mi
8:11/mi
2:57:57
↑ 17↓ 861.7%
23M
8:28/mi
3:08:33
↑ 23↓ 630.6%
24M
8:31/mi
3:17:04
↓ 821.3%
40K· 24.85 mi
8:57/mi
3:24:43
↓ 200.3%
25.2M
9:17/mi
3:27:55
↑ 13↓ 160.2%
Finish· 26.22 mi
8:11/mi
3:36:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:23
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:51:52
Pace8:32 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:3524:598:0224:59
8:02
-
10K
6.21 mi11:43:2149:458:0024:46
7:58
-0:04
15K
9.32 mi12:07:521:14:167:5824:31
7:53
-0:05
20K
12.43 mi12:32:411:39:057:5824:49
7:59
+0:06
Half
13.11 mi12:37:591:44:237:585:18
7:46
-0:13
25K
15.53 mi12:58:112:04:358:0120:12
8:20
+0:34
30K
18.64 mi13:24:162:30:408:0526:05
8:24
+0:04
20M
20.00 mi13:36:012:42:258:0711:45
8:39
+0:15
21M
21.00 mi13:45:262:51:508:119:25
9:25
+0:46
35K
21.75 mi13:51:332:57:578:116:07
8:11
-1:14
23M
23.00 mi14:02:093:08:338:1210:36
8:28
+0:17
24M
24.00 mi14:10:403:17:048:138:31
8:31
+0:03
40K
24.85 mi14:18:193:24:438:147:39
8:57
+0:26
25.2M
25.20 mi14:21:313:27:558:153:12
9:17
+0:20
Finish
26.22 mi14:29:513:36:158:158:20
8:11
-1:06

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

7:46 /mi

Average Pace

8:15 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:23

48% of race

Time at Steady Pace

1:19:51

37% of race

Time at Slower Pace

32:01

15% of race

Average Pace: 8:15 /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 mi11:18:3524:598:0224:59
8:02
#14968
10K
6.21 mi11:43:2149:458:0024:46
7:58
#14457
15K
9.32 mi12:07:521:14:167:5824:31
7:53
#13844
20K
12.43 mi12:32:411:39:057:5824:49
7:59
#13208
Half
13.11 mi12:37:591:44:237:585:18
7:46
#13057
25K
15.53 mi12:58:112:04:358:0120:12
8:20
#12861
30K
18.64 mi13:24:162:30:408:0526:05
8:24
#12238
20M
20.00 mi13:36:012:42:258:0711:45
8:39
#12043
21M
21.00 mi13:45:262:51:508:119:25
9:25
#11874
35K
21.75 mi13:51:332:57:578:116:07
8:11
#11742
23M
23.00 mi14:02:093:08:338:1210:36
8:28
#11451
24M
24.00 mi14:10:403:17:048:138:31
8:31
#11308
40K
24.85 mi14:18:193:24:438:147:39
8:57
#11242
25.2M
25.20 mi14:21:313:27:558:153:12
9:17
#11158
Finish
26.22 mi14:29:513:36:158:158:20
8:11
#11049
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi149684924492412614(Top 49%)3581(Top 33%)3581(Top 222%)
10K6.21 mi3.10 mi14457+5114609+3154609+31513997(Top 55%)4347(Top 40%)4347(Top 269%)
15K9.32 mi3.11 mi13844+6134256+3534256+35312614(Top 49%)3581(Top 33%)3581(Top 222%)
20K12.43 mi3.11 mi13208+6363905+3513905+35111744(Top 46%)3182(Top 29%)3182(Top 197%)
Half13.11 mi0.68 mi13057+1513826+793826+7911165(Top 44%)2905(Top 27%)2905(Top 180%)
25K15.53 mi2.42 mi12861+1963740+863740+8612160(Top 48%)3600(Top 33%)3600(Top 223%)
30K18.64 mi3.11 mi12238+6233479+2613479+26110118(Top 40%)2765(Top 25%)2765(Top 171%)
20M20.00 mi1.36 mi12043+1953431+483431+4810268(Top 40%)3081(Top 28%)3081(Top 191%)
21M21.00 mi1.00 mi11874+1693396+353396+3510457(Top 41%)3461(Top 32%)3461(Top 215%)
35K21.75 mi0.75 mi11742+1323357+393357+398886(Top 35%)2667(Top 24%)2667(Top 165%)
23M23.00 mi1.25 mi11451+2913275+823275+828311(Top 33%)2542(Top 23%)2542(Top 158%)
24M24.00 mi1.00 mi11308+1433253+223253+229576(Top 37%)3231(Top 30%)3231(Top 200%)
40K24.85 mi0.85 mi11242+663252+13252+110624(Top 42%)3875(Top 35%)3875(Top 240%)
25.2M25.20 mi0.35 mi11158+843238+143238+147879(Top 31%)2617(Top 24%)2617(Top 162%)
Finish26.22 mi1.02 mi11049+1093226+123226+129673(Top 38%)3359(Top 31%)3359(Top 208%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

12614

Females

3581

F40-44

3581

5K→10K

3.1 - 6.2 mi

Top 55%
×5story building
+79ft-138ft

Overall

13997

Females

4347

F40-44

4347

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

12614

Females

3581

F40-44

3581

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

11744

Females

3182

F40-44

3182

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

11165

Females

2905

F40-44

2905

Half→25K

13.1 - 15.5 mi

Top 48%
×4story building
+66ft-88ft

Overall

12160

Females

3600

F40-44

3600

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

10118

Females

2765

F40-44

2765

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

10268

Females

3081

F40-44

3081

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

10457

Females

3461

F40-44

3461

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

8886

Females

2667

F40-44

2667

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

8311

Females

2542

F40-44

2542

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

9576

Females

3231

F40-44

3231

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

10624

Females

3875

F40-44

3875

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

7879

Females

2617

F40-44

2617

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

9673

Females

3359

F40-44

3359

Passing Analysis

Category:
Athletes Passed
4492
Passed By
573
Net Change
+3919
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14968
5K → 10K612101+511#14968#14457
10K → 15K63825+613#14457#13844
15K → 20K65115+636#13844#13208
20K → Half1554+151#13208#13057
Half → 25K337141+196#13057#12861
25K → 30K66239+623#12861#12238
30K → 20M23641+195#12238#12043
20M → 21M21950+169#12043#11874
21M → 35K1408+132#11874#11742
35K → 23M31423+291#11742#11451
23M → 24M17633+143#11451#11308
24M → 40K11852+66#11308#11242
40K → 25.2M906+84#11242#11158
25.2M → Finish14435+109#11158#11049
TOTALS4492573+3919
📊

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