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BOSTON MARATHON 2024

Emma Spencer

Bib: 142•F

NC

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 3%
Gender (Female)
#0 / 10924
Top 0.3%
Division (F18-39)
#0 / 4660
Top 0.6%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:05
Rank: #1385
Start → 5K
19:05 | 6:09/mi
10K· 6.21 mi
38:17
Rank: #1400 (-15)
5K → 10K
19:12 | 6:11/mi
15K· 9.32 mi
57:38
Rank: #1419 (-19)
10K → 15K
19:21 | 6:14/mi
20K· 12.43 mi
1:17:02
Rank: #1323 (+96)
15K → 20K
19:24 | 6:15/mi
Half· 13.11 mi
1:21:09
Rank: #1295 (+28)
20K → Half
4:07 | 6:02/mi
25K· 15.53 mi
1:36:18
Rank: #1201 (+94)
Half → 25K
15:09 | 6:15/mi
30K· 18.64 mi
1:56:00
Rank: #1047 (+154)
25K → 30K
19:42 | 6:20/mi
20M
2:04:39
Rank: #956 (+91)
30K → 20M
8:39 | 6:22/mi
21M
2:11:21
Rank: #907 (+49)
20M → 21M
6:42 | 6:42/mi
35K· 21.75 mi
2:16:07
Rank: #905 (+2)
21M → 35K
4:46 | 6:22/mi
23M
2:24:16
Rank: #870 (+35)
35K → 23M
8:09 | 6:31/mi
24M
2:30:39
Rank: #840 (+30)
23M → 24M
6:23 | 6:23/mi
40K· 24.85 mi
2:36:06
Rank: #807 (+33)
24M → 40K
5:27 | 6:22/mi
25.2M
2:38:29
Rank: #799 (+8)
40K → 25.2M
2:23 | 6:55/mi
Finish· 26.22 mi
2:44:50
Rank: #781 (+18)
25.2M → Finish
6:21 | 6:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:09
Pace6:11 /mi
2nd Half
Distance13.11 mi
Time1:23:41
Pace6:23 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:06:0619:056:0919:05
6:09
-
10K
6.21 mi10:25:1838:176:1019:12
6:11
+0:02
15K
9.32 mi10:44:3957:386:1119:21
6:14
+0:03
20K
12.43 mi11:04:031:17:026:1219:24
6:15
+0:01
Half
13.11 mi11:08:101:21:096:114:07
6:02
-0:13
25K
15.53 mi11:23:191:36:186:1215:09
6:15
+0:13
30K
18.64 mi11:43:011:56:006:1319:42
6:20
+0:05
20M
20.00 mi11:51:402:04:396:148:39
6:22
+0:02
21M
21.00 mi11:58:222:11:216:156:42
6:42
+0:20
35K
21.75 mi12:03:082:16:076:164:46
6:22
-0:20
23M
23.00 mi12:11:172:24:166:168:09
6:31
+0:09
24M
24.00 mi12:17:402:30:396:176:23
6:23
-0:08
40K
24.85 mi12:23:072:36:066:175:27
6:22
-0:01
25.2M
25.20 mi12:25:302:38:296:172:23
6:55
+0:33
Finish
26.22 mi12:31:512:44:506:176:21
6:14
-0:41

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

6:02 /mi

Average Pace

6:17 /mi

Slowest Pace

6:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:45

94% of race

Time at Steady Pace

9:05

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:17 /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 mi10:06:0619:056:0919:05
6:09
#1385
10K
6.21 mi10:25:1838:176:1019:12
6:11
#1400
15K
9.32 mi10:44:3957:386:1119:21
6:14
#1419
20K
12.43 mi11:04:031:17:026:1219:24
6:15
#1323
Half
13.11 mi11:08:101:21:096:114:07
6:02
#1295
25K
15.53 mi11:23:191:36:186:1215:09
6:15
#1201
30K
18.64 mi11:43:011:56:006:1319:42
6:20
#1047
20M
20.00 mi11:51:402:04:396:148:39
6:22
#956
21M
21.00 mi11:58:222:11:216:156:42
6:42
#907
35K
21.75 mi12:03:082:16:076:164:46
6:22
#905
23M
23.00 mi12:11:172:24:166:168:09
6:31
#870
24M
24.00 mi12:17:402:30:396:176:23
6:23
#840
40K
24.85 mi12:23:072:36:066:175:27
6:22
#807
25.2M
25.20 mi12:25:302:38:296:172:23
6:55
#799
Finish
26.22 mi12:31:512:44:506:176:21
6:14
#781
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi138544441481(Top 6%)43(Top 0.4%)43(Top 0.9%)
10K6.21 mi3.10 mi1400-1540+440+41438(Top 6%)43(Top 0.4%)43(Top 0.9%)
15K9.32 mi3.11 mi1419-1940401481(Top 6%)43(Top 0.4%)43(Top 0.9%)
20K12.43 mi3.11 mi1323+9640401193(Top 5%)35(Top 0.3%)35(Top 0.8%)
Half13.11 mi0.68 mi1295+2839+139+1888(Top 3%)29(Top 0.3%)29(Top 0.6%)
25K15.53 mi2.42 mi1201+9437+237+2981(Top 4%)33(Top 0.3%)33(Top 0.7%)
30K18.64 mi3.11 mi1047+15435+235+2714(Top 3%)30(Top 0.3%)30(Top 0.6%)
20M20.00 mi1.36 mi956+9133+233+2621(Top 2%)29(Top 0.3%)29(Top 0.6%)
21M21.00 mi1.00 mi907+4932+132+1568(Top 2%)33(Top 0.3%)33(Top 0.7%)
35K21.75 mi0.75 mi905+233-133-1979(Top 4%)48(Top 0.4%)48(Top 1%)
23M23.00 mi1.25 mi870+3532+132+1714(Top 3%)35(Top 0.3%)35(Top 0.8%)
24M24.00 mi1.00 mi840+3033-133-1759(Top 3%)42(Top 0.4%)42(Top 0.9%)
40K24.85 mi0.85 mi807+3332+132+1554(Top 2%)34(Top 0.3%)34(Top 0.7%)
25.2M25.20 mi0.35 mi799+83232501(Top 2%)37(Top 0.3%)37(Top 0.8%)
Finish26.22 mi1.02 mi781+1833-133-1794(Top 3%)49(Top 0.4%)49(Top 1%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1481

Females

43

F18-39

43

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1438

Females

43

F18-39

43

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1481

Females

43

F18-39

43

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1193

Females

35

F18-39

35

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

888

Females

29

F18-39

29

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

981

Females

33

F18-39

33

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

714

Females

30

F18-39

30

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

621

Females

29

F18-39

29

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

568

Females

33

F18-39

33

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

979

Females

48

F18-39

48

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

714

Females

35

F18-39

35

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

759

Females

42

F18-39

42

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

554

Females

34

F18-39

34

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

501

Females

37

F18-39

37

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

794

Females

49

F18-39

49

Passing Analysis

Category:
Athletes Passed
816
Passed By
212
Net Change
+604
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1385
5K → 10K6479-15#1385#1400
10K → 15K4867-19#1400#1419
15K → 20K11014+96#1419#1323
20K → Half280+28#1323#1295
Half → 25K1039+94#1295#1201
25K → 30K1584+154#1201#1047
30K → 20M932+91#1047#956
20M → 21M545+49#956#907
21M → 35K1311+2#907#905
35K → 23M438+35#905#870
23M → 24M344+30#870#840
24M → 40K363+33#840#807
40K → 25.2M80+8#807#799
25.2M → Finish246+18#799#781
TOTALS816212+604
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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