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BOSTON MARATHON 2024

Ema Mercado

Bib: 18108•F

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 45%
Gender (Female)
#0 / 10924
Top 31%
Division (F18-39)
#0 / 4660
Top 48%
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
7:34/mi
23:31
↑ 97↓ 3451.5%
10K· 6.21 mi
7:28/mi
46:44
↑ 79↓ 1380.4%
15K· 9.32 mi
7:37/mi
1:10:23
↑ 67↓ 78
20K· 12.43 mi
7:56/mi
1:35:02
↑ 106↓ 860.1%
Half· 13.11 mi
8:14/mi
1:40:39
↑ 19↓ 370.5%
25K· 15.53 mi
8:11/mi
2:00:29
↑ 66↓ 880.2%
30K· 18.64 mi
8:48/mi
2:27:49
↑ 181↓ 1480.2%
20M
9:15/mi
2:40:23
↑ 64↓ 500.2%
21M
9:57/mi
2:50:20
↑ 106↓ 241.6%
35K· 21.75 mi
8:48/mi
2:56:55
↑ 17↓ 861.7%
23M
9:15/mi
3:08:30
↑ 23↓ 630.6%
24M
8:58/mi
3:17:28
↓ 821.3%
40K· 24.85 mi
9:45/mi
3:25:48
↓ 200.3%
25.2M
9:49/mi
3:29:11
↑ 13↓ 160.2%
Finish· 26.22 mi
8:28/mi
3:37:49
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:39
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:57:10
Pace8:56 /mi
📊Positive Split: 16.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:0423:317:3423:31
7:34
-
10K
6.21 mi11:38:1746:447:3123:13
7:28
-0:06
15K
9.32 mi12:01:561:10:237:3323:39
7:37
+0:09
20K
12.43 mi12:26:351:35:027:3924:39
7:56
+0:19
Half
13.11 mi12:32:121:40:397:415:37
8:14
+0:18
25K
15.53 mi12:52:022:00:297:4519:50
8:11
-0:03
30K
18.64 mi13:19:222:27:497:5627:20
8:48
+0:37
20M
20.00 mi13:31:562:40:238:0112:34
9:15
+0:27
21M
21.00 mi13:41:532:50:208:079:57
9:57
+0:42
35K
21.75 mi13:48:282:56:558:086:35
8:48
-1:09
23M
23.00 mi14:00:033:08:308:1211:35
9:15
+0:27
24M
24.00 mi14:09:013:17:288:148:58
8:58
-0:17
40K
24.85 mi14:17:213:25:488:178:20
9:45
+0:47
25.2M
25.20 mi14:20:443:29:118:183:23
9:49
+0:04
Finish
26.22 mi14:29:223:37:498:198:38
8:28
-1:21

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

7:28 /mi

Average Pace

8:19 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:29

55% of race

Time at Steady Pace

51:31

24% of race

Time at Slower Pace

45:49

21% of race

Average Pace: 8:18 /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 mi11:15:0423:317:3423:31
7:34
#11333
10K
6.21 mi11:38:1746:447:3123:13
7:28
#10670
15K
9.32 mi12:01:561:10:237:3323:39
7:37
#10592
20K
12.43 mi12:26:351:35:027:3924:39
7:56
#10773
Half
13.11 mi12:32:121:40:397:415:37
8:14
#10976
25K
15.53 mi12:52:022:00:297:4519:50
8:11
#10983
30K
18.64 mi13:19:222:27:497:5627:20
8:48
#11168
20M
20.00 mi13:31:562:40:238:0112:34
9:15
#11331
21M
21.00 mi13:41:532:50:208:079:57
9:57
#11408
35K
21.75 mi13:48:282:56:558:086:35
8:48
#11414
23M
23.00 mi14:00:033:08:308:1211:35
9:15
#11434
24M
24.00 mi14:09:013:17:288:148:58
8:58
#11430
40K
24.85 mi14:17:213:25:488:178:20
9:45
#11522
25.2M
25.20 mi14:20:443:29:118:183:23
9:49
#11476
Finish
26.22 mi14:29:223:37:498:198:38
8:28
#11442
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi113332748274810538(Top 41%)2452(Top 22%)2452(Top 53%)
10K6.21 mi3.10 mi10670+6632425+3232425+32310071(Top 39%)2139(Top 20%)2139(Top 46%)
15K9.32 mi3.11 mi10592+782405+202405+2010538(Top 41%)2452(Top 22%)2452(Top 53%)
20K12.43 mi3.11 mi10773-1812549-1442549-14411375(Top 45%)2996(Top 27%)2996(Top 64%)
Half13.11 mi0.68 mi10976-2032657-1082657-10814211(Top 56%)4571(Top 42%)4571(Top 98%)
25K15.53 mi2.42 mi10983-72719-622719-6211254(Top 44%)3099(Top 28%)3099(Top 67%)
30K18.64 mi3.11 mi11168-1852914-1952914-19512187(Top 48%)3826(Top 35%)3826(Top 82%)
20M20.00 mi1.36 mi11331-1633054-1403054-14013387(Top 52%)4779(Top 44%)4779(Top 103%)
21M21.00 mi1.00 mi11408-773146-923146-9212770(Top 50%)4663(Top 43%)4663(Top 100%)
35K21.75 mi0.75 mi11414-63182-363182-3612351(Top 48%)4450(Top 41%)4450(Top 95%)
23M23.00 mi1.25 mi11434-203267-853267-8512389(Top 48%)4601(Top 42%)4601(Top 99%)
24M24.00 mi1.00 mi11430+43324-573324-5711985(Top 47%)4393(Top 40%)4393(Top 94%)
40K24.85 mi0.85 mi11522-923403-793403-7914063(Top 55%)5559(Top 51%)5559(Top 119%)
25.2M25.20 mi0.35 mi11476+463399+43399+410175(Top 40%)3705(Top 34%)3705(Top 80%)
Finish26.22 mi1.02 mi11442+343435-363435-3611366(Top 44%)4153(Top 38%)4153(Top 89%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

10538

Females

2452

F18-39

2452

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

10071

Females

2139

F18-39

2139

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

10538

Females

2452

F18-39

2452

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

11375

Females

2996

F18-39

2996

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

14211

Females

4571

F18-39

4571

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

11254

Females

3099

F18-39

3099

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

12187

Females

3826

F18-39

3826

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

13387

Females

4779

F18-39

4779

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

12770

Females

4663

F18-39

4663

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

12351

Females

4450

F18-39

4450

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

12389

Females

4601

F18-39

4601

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

11985

Females

4393

F18-39

4393

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14063

Females

5559

F18-39

5559

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10175

Females

3705

F18-39

3705

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

11366

Females

4153

F18-39

4153

Passing Analysis

Category:
Athletes Passed
2363
Passed By
2472
Net Change
-109
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11333
5K → 10K71754+663#11333#10670
10K → 15K255177+78#10670#10592
15K → 20K166347-181#10592#10773
20K → Half10213-203#10773#10976
Half → 25K215222-7#10976#10983
25K → 30K225410-185#10983#11168
30K → 20M94257-163#11168#11331
20M → 21M113190-77#11331#11408
21M → 35K8187-6#11408#11414
35K → 23M147167-20#11414#11434
23M → 24M10197+4#11434#11430
24M → 40K66158-92#11430#11522
40K → 25.2M6115+46#11522#11476
25.2M → Finish11278+34#11476#11442
TOTALS23632472-109
📊

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