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BOSTON MARATHON 2023

Elizabeth Bell

Bib: 31108•F

SC

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

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
12:21/mi
38:22
↑ 97↓ 3451.5%
10K· 6.21 mi
12:43/mi
1:17:53
↑ 79↓ 1380.4%
15K· 9.32 mi
13:07/mi
1:58:39
↑ 67↓ 78
20K· 12.43 mi
14:46/mi
2:44:32
↑ 106↓ 860.1%
Half· 13.11 mi
14:09/mi
2:54:11
↑ 19↓ 370.5%
25K· 15.53 mi
15:38/mi
3:32:05
↑ 66↓ 880.2%
30K· 18.64 mi
12:03/mi
4:09:30
↑ 181↓ 1480.2%
20M
9:41/mi
4:22:39
↑ 64↓ 500.2%
21M
10:17/mi
4:32:56
↑ 106↓ 241.6%
35K· 21.75 mi
10:15/mi
4:40:36
↑ 17↓ 861.7%
23M
9:50/mi
4:52:55
↑ 23↓ 630.6%
24M
9:23/mi
5:02:18
↓ 821.3%
40K· 24.85 mi
9:59/mi
5:10:50
↓ 200.3%
25.2M
10:52/mi
5:14:35
↑ 13↓ 160.2%
Finish· 26.22 mi
9:15/mi
5:24:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:54:11
Pace13:17 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:29:50
Pace11:26 /mi
📊Negative Split: 14.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:5638:2212:2138:22
12:21
-
10K
6.21 mi12:38:271:17:5312:3239:31
12:43
+0:22
15K
9.32 mi13:19:131:58:3912:4440:46
13:07
+0:24
20K
12.43 mi14:05:062:44:3213:1445:53
14:46
+1:39
Half
13.11 mi14:14:452:54:1113:179:39
14:09
-0:37
25K
15.53 mi14:52:393:32:0513:3937:54
15:38
+1:29
30K
18.64 mi15:30:044:09:3013:2337:25
12:03
-3:35
20M
20.00 mi15:43:134:22:3913:0813:09
9:41
-2:22
21M
21.00 mi15:53:304:32:5613:0010:17
10:17
+0:36
35K
21.75 mi16:01:104:40:3612:547:40
10:15
-0:02
23M
23.00 mi16:13:294:52:5512:4412:19
9:50
-0:25
24M
24.00 mi16:22:525:02:1812:369:23
9:23
-0:27
40K
24.85 mi16:31:245:10:5012:308:32
9:59
+0:36
25.2M
25.20 mi16:35:095:14:3512:293:45
10:52
+0:53
Finish
26.22 mi16:44:355:24:0112:229:26
9:15
-1:37

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

9:15 /mi

Average Pace

12:22 /mi

Slowest Pace

15:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

44:17

14% of race

Time at Steady Pace

30:14

9% of race

Time at Slower Pace

4:09:30

77% of race

Average Pace: 12:21 /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 mi11:58:5638:2212:2138:22
12:21
#26514
10K
6.21 mi12:38:271:17:5312:3239:31
12:43
#26525
15K
9.32 mi13:19:131:58:3912:4440:46
13:07
#26536
20K
12.43 mi14:05:062:44:3213:1445:53
14:46
#26580
Half
13.11 mi14:14:452:54:1113:179:39
14:09
#26581
25K
15.53 mi14:52:393:32:0513:3937:54
15:38
#26597
30K
18.64 mi15:30:044:09:3013:2337:25
12:03
#26528
20M
20.00 mi15:43:134:22:3913:0813:09
9:41
#26403
21M
21.00 mi15:53:304:32:5613:0010:17
10:17
#26279
35K
21.75 mi16:01:104:40:3612:547:40
10:15
#26190
23M
23.00 mi16:13:294:52:5512:4412:19
9:50
#26065
24M
24.00 mi16:22:525:02:1812:369:23
9:23
#25949
40K
24.85 mi16:31:245:10:5012:308:32
9:59
#25848
25.2M
25.20 mi16:35:095:14:3512:293:45
10:52
#25810
Finish
26.22 mi16:44:355:24:0112:229:26
9:15
#25727
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26514113691136926513(Top 100%)11368(Top 100%)11368(Top 233%)
10K6.21 mi3.10 mi26525-1111378-911378-926515(Top 100%)11374(Top 100%)11374(Top 233%)
15K9.32 mi3.11 mi26536-1111386-811386-826513(Top 100%)11368(Top 100%)11368(Top 233%)
20K12.43 mi3.11 mi26580-4411410-2411410-2426586(Top 100%)11407(Top 100%)11407(Top 234%)
Half13.11 mi0.68 mi26581-111409+111409+126552(Top 100%)11386(Top 100%)11386(Top 233%)
25K15.53 mi2.42 mi26597-1611417-811417-826587(Top 100%)11407(Top 100%)11407(Top 234%)
30K18.64 mi3.11 mi26528+6911378+3911378+3924554(Top 92%)10311(Top 90%)10311(Top 211%)
20M20.00 mi1.36 mi26403+12511293+8511293+8519517(Top 73%)7585(Top 66%)7585(Top 155%)
21M21.00 mi1.00 mi26279+12411222+7111222+7119009(Top 71%)7351(Top 64%)7351(Top 151%)
35K21.75 mi0.75 mi26190+8911177+4511177+4521907(Top 82%)9006(Top 79%)9006(Top 184%)
23M23.00 mi1.25 mi26065+12511107+7011107+7019553(Top 73%)7717(Top 68%)7717(Top 158%)
24M24.00 mi1.00 mi25949+11611037+7011037+7018824(Top 71%)7353(Top 64%)7353(Top 151%)
40K24.85 mi0.85 mi25848+10110986+5110986+5119930(Top 75%)8031(Top 70%)8031(Top 164%)
25.2M25.20 mi0.35 mi25810+3810969+1710969+1720215(Top 76%)8184(Top 72%)8184(Top 168%)
Finish26.22 mi1.02 mi25727+8310928+4110928+4119226(Top 72%)7580(Top 66%)7580(Top 155%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 100%
×21story building
+97ft-345ft

Overall

26513

Females

11368

F18-39

11368

5K→10K

3.1 - 6.2 mi

Top 100%
×5story building
+79ft-138ft

Overall

26515

Females

11374

F18-39

11374

10K→15K

6.2 - 9.3 mi

Top 100%
×3story building
+67ft-78ft

Overall

26513

Females

11368

F18-39

11368

15K→20K

9.3 - 12.4 mi

Top 100%
×5story building
+106ft-86ft

Overall

26586

Females

11407

F18-39

11407

20K→Half

12.4 - 13.1 mi

Top 100%
×2story building
+19ft-37ft

Overall

26552

Females

11386

F18-39

11386

Half→25K

13.1 - 15.5 mi

Top 100%
×4story building
+66ft-88ft

Overall

26587

Females

11407

F18-39

11407

25K→30K

15.5 - 18.6 mi

Top 92%
×9story building
+181ft-148ft

Overall

24554

Females

10311

F18-39

10311

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

19517

Females

7585

F18-39

7585

20M→21M

20.0 - 21.0 mi

Top 71%
×8story building
+106ft-24ft

Overall

19009

Females

7351

F18-39

7351

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

21907

Females

9006

F18-39

9006

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

19553

Females

7717

F18-39

7717

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

18824

Females

7353

F18-39

7353

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

19930

Females

8031

F18-39

8031

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20215

Females

8184

F18-39

8184

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

19226

Females

7580

F18-39

7580

Passing Analysis

Category:
Athletes Passed
901
Passed By
114
Net Change
+787
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26514
5K → 10K1829-11#26514#26525
10K → 15K920-11#26525#26536
15K → 20K246-44#26536#26580
20K → Half12-1#26580#26581
Half → 25K016-16#26581#26597
25K → 30K690+69#26597#26528
30K → 20M1250+125#26528#26403
20M → 21M1240+124#26403#26279
21M → 35K890+89#26279#26190
35K → 23M1261+125#26190#26065
23M → 24M1160+116#26065#25949
24M → 40K1010+101#25949#25848
40K → 25.2M380+38#25848#25810
25.2M → Finish830+83#25810#25727
TOTALS901114+787
📊

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