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BOSTON MARATHON 2023

Emily Lowe

Bib: 24645•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:17
Rank: #21866
Start → 5K
29:17 | 9:26/mi
10K· 6.21 mi
58:01
Rank: #21846 (+20)
5K → 10K
28:44 | 9:15/mi
15K· 9.32 mi
1:26:19
Rank: #21570 (+276)
10K → 15K
28:18 | 9:07/mi
20K· 12.43 mi
1:54:04
Rank: #21110 (+460)
15K → 20K
27:45 | 8:56/mi
Half· 13.11 mi
2:00:02
Rank: #21025 (+85)
20K → Half
5:58 | 8:45/mi
25K· 15.53 mi
2:21:48
Rank: #20680 (+345)
Half → 25K
21:46 | 8:59/mi
30K· 18.64 mi
2:50:00
Rank: #20150 (+530)
25K → 30K
28:12 | 9:05/mi
20M
3:02:32
Rank: #19944 (+206)
30K → 20M
12:32 | 9:13/mi
21M
3:12:45
Rank: #19855 (+89)
20M → 21M
10:13 | 10:13/mi
35K· 21.75 mi
3:19:47
Rank: #19834 (+21)
21M → 35K
7:02 | 9:24/mi
23M
3:32:21
Rank: #19868 (-34)
35K → 23M
12:34 | 10:02/mi
24M
3:41:47
Rank: #19840 (+28)
23M → 24M
9:26 | 9:26/mi
40K· 24.85 mi
3:49:56
Rank: #19774 (+66)
24M → 40K
8:09 | 9:32/mi
25.2M
3:53:26
Rank: #19753 (+21)
40K → 25.2M
3:30 | 10:09/mi
Finish· 26.22 mi
4:02:30
Rank: #19689 (+64)
25.2M → Finish
9:04 | 8:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:02
Pace9:09 /mi
2nd Half
Distance13.11 mi
Time2:02:28
Pace9:21 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:1229:179:2629:17
9:26
-
10K
6.21 mi12:18:5658:019:2028:44
9:15
-0:11
15K
9.32 mi12:47:141:26:199:1628:18
9:07
-0:08
20K
12.43 mi13:14:591:54:049:1127:45
8:56
-0:11
Half
13.11 mi13:20:572:00:029:095:58
8:45
-0:11
25K
15.53 mi13:42:432:21:489:0821:46
8:59
+0:14
30K
18.64 mi14:10:552:50:009:0728:12
9:05
+0:06
20M
20.00 mi14:23:273:02:329:0812:32
9:13
+0:08
21M
21.00 mi14:33:403:12:459:1110:13
10:13
+1:00
35K
21.75 mi14:40:423:19:479:117:02
9:24
-0:49
23M
23.00 mi14:53:163:32:219:1412:34
10:02
+0:38
24M
24.00 mi15:02:423:41:479:149:26
9:26
-0:36
40K
24.85 mi15:10:513:49:569:158:09
9:32
+0:06
25.2M
25.20 mi15:14:213:53:269:163:30
10:09
+0:37
Finish
26.22 mi15:23:254:02:309:159:04
8:54
-1:15

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

8:45 /mi

Average Pace

9:15 /mi

Slowest Pace

10:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:36:13

89% of race

Time at Steady Pace

26:17

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:15 /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 mi11:50:1229:179:2629:17
9:26
#21866
10K
6.21 mi12:18:5658:019:2028:44
9:15
#21846
15K
9.32 mi12:47:141:26:199:1628:18
9:07
#21570
20K
12.43 mi13:14:591:54:049:1127:45
8:56
#21110
Half
13.11 mi13:20:572:00:029:095:58
8:45
#21025
25K
15.53 mi13:42:432:21:489:0821:46
8:59
#20680
30K
18.64 mi14:10:552:50:009:0728:12
9:05
#20150
20M
20.00 mi14:23:273:02:329:0812:32
9:13
#19944
21M
21.00 mi14:33:403:12:459:1110:13
10:13
#19855
35K
21.75 mi14:40:423:19:479:117:02
9:24
#19834
23M
23.00 mi14:53:163:32:219:1412:34
10:02
#19868
24M
24.00 mi15:02:423:41:479:149:26
9:26
#19840
40K
24.85 mi15:10:513:49:569:158:09
9:32
#19774
25.2M
25.20 mi15:14:213:53:269:163:30
10:09
#19753
Finish
26.22 mi15:23:254:02:309:159:04
8:54
#19689
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi218668818881820975(Top 79%)8218(Top 72%)8218(Top 168%)
10K6.21 mi3.10 mi21846+208765+538765+5321776(Top 82%)8702(Top 76%)8702(Top 178%)
15K9.32 mi3.11 mi21570+2768599+1668599+16620975(Top 79%)8218(Top 72%)8218(Top 168%)
20K12.43 mi3.11 mi21110+4608334+2658334+26519385(Top 73%)7316(Top 64%)7316(Top 150%)
Half13.11 mi0.68 mi21025+858283+518283+5119261(Top 72%)7252(Top 63%)7252(Top 148%)
25K15.53 mi2.42 mi20680+3458085+1988085+19818858(Top 71%)7052(Top 62%)7052(Top 144%)
30K18.64 mi3.11 mi20150+5307815+2707815+27017592(Top 66%)6413(Top 56%)6413(Top 131%)
20M20.00 mi1.36 mi19944+2067708+1077708+10717688(Top 66%)6577(Top 58%)6577(Top 135%)
21M21.00 mi1.00 mi19855+897658+507658+5018783(Top 71%)7215(Top 63%)7215(Top 148%)
35K21.75 mi0.75 mi19834+217657+17657+119561(Top 73%)7686(Top 67%)7686(Top 157%)
23M23.00 mi1.25 mi19868-347690-337690-3320097(Top 75%)8010(Top 70%)8010(Top 164%)
24M24.00 mi1.00 mi19840+287676+147676+1418992(Top 71%)7444(Top 65%)7444(Top 152%)
40K24.85 mi0.85 mi19774+667653+237653+2318461(Top 69%)7193(Top 63%)7193(Top 147%)
25.2M25.20 mi0.35 mi19753+217642+117642+1118006(Top 68%)6977(Top 61%)6977(Top 143%)
Finish26.22 mi1.02 mi19689+647612+307612+3017518(Top 66%)6669(Top 58%)6669(Top 137%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

20975

Females

8218

F18-39

8218

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

21776

Females

8702

F18-39

8702

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

20975

Females

8218

F18-39

8218

15K→20K

9.3 - 12.4 mi

Top 73%
×5stories
+106ft-86ft

Overall

19385

Females

7316

F18-39

7316

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

19261

Females

7252

F18-39

7252

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

18858

Females

7052

F18-39

7052

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

17592

Females

6413

F18-39

6413

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

17688

Females

6577

F18-39

6577

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

18783

Females

7215

F18-39

7215

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

19561

Females

7686

F18-39

7686

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

20097

Females

8010

F18-39

8010

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

18992

Females

7444

F18-39

7444

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

18461

Females

7193

F18-39

7193

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18006

Females

6977

F18-39

6977

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

17518

Females

6669

F18-39

6669

Passing Analysis

Category:
Athletes Passed
2766
Passed By
589
Net Change
+2177
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21866
5K → 10K266246+20#21866#21846
10K → 15K33862+276#21846#21570
15K → 20K47212+460#21570#21110
20K → Half894+85#21110#21025
Half → 25K3494+345#21025#20680
25K → 30K5300+530#20680#20150
30K → 20M2148+206#20150#19944
20M → 21M12536+89#19944#19855
21M → 35K5231+21#19855#19834
35K → 23M6397-34#19834#19868
23M → 24M6840+28#19868#19840
24M → 40K8620+66#19840#19774
40K → 25.2M276+21#19774#19753
25.2M → Finish8723+64#19753#19689
TOTALS2766589+2177
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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