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BOSTON MARATHON 2023

Lindsey Bristol

Bib: 27605•F

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
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
9:47/mi
30:23
↑ 97↓ 3451.5%
10K· 6.21 mi
9:37/mi
1:00:16
↑ 79↓ 1380.4%
15K· 9.32 mi
9:30/mi
1:29:46
↑ 67↓ 78
20K· 12.43 mi
9:48/mi
2:00:14
↑ 106↓ 860.1%
Half· 13.11 mi
9:42/mi
2:06:51
↑ 19↓ 370.5%
25K· 15.53 mi
10:43/mi
2:32:49
↑ 66↓ 880.2%
30K· 18.64 mi
10:25/mi
3:05:12
↑ 181↓ 1480.2%
20M
10:48/mi
3:19:53
↑ 64↓ 500.2%
21M
11:43/mi
3:31:36
↑ 106↓ 241.6%
35K· 21.75 mi
10:24/mi
3:39:23
↑ 17↓ 861.7%
23M
11:32/mi
3:53:50
↑ 23↓ 630.6%
24M
10:26/mi
4:04:16
↓ 821.3%
40K· 24.85 mi
10:30/mi
4:13:15
↓ 200.3%
25.2M
11:16/mi
4:17:08
↑ 13↓ 160.2%
Finish· 26.22 mi
9:54/mi
4:27:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:51
Pace9:41 /mi
2nd Half
Distance13.11 mi
Time2:20:22
Pace10:42 /mi
📊Positive Split: 10.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:2930:239:4730:23
9:47
-
10K
6.21 mi12:22:221:00:169:4229:53
9:37
-0:10
15K
9.32 mi12:51:521:29:469:3829:30
9:30
-0:07
20K
12.43 mi13:22:202:00:149:4030:28
9:48
+0:18
Half
13.11 mi13:28:572:06:519:416:37
9:42
-0:06
25K
15.53 mi13:54:552:32:499:5025:58
10:43
+1:01
30K
18.64 mi14:27:183:05:129:5632:23
10:25
-0:18
20M
20.00 mi14:41:593:19:5310:0014:41
10:48
+0:23
21M
21.00 mi14:53:423:31:3610:0511:43
11:43
+0:55
35K
21.75 mi15:01:293:39:2310:057:47
10:24
-1:19
23M
23.00 mi15:15:563:53:5010:1014:27
11:32
+1:08
24M
24.00 mi15:26:224:04:1610:1110:26
10:26
-1:06
40K
24.85 mi15:35:214:13:1510:118:59
10:30
+0:04
25.2M
25.20 mi15:39:144:17:0810:123:53
11:16
+0:46
Finish
26.22 mi15:49:194:27:1310:1210:05
9:54
-1:22

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

9:30 /mi

Average Pace

10:12 /mi

Slowest Pace

11:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:16:56

51% of race

Time at Steady Pace

1:25:33

32% of race

Time at Slower Pace

44:44

17% of race

Average Pace: 10:11 /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 mi11:52:2930:239:4730:23
9:47
#22860
10K
6.21 mi12:22:221:00:169:4229:53
9:37
#22903
15K
9.32 mi12:51:521:29:469:3829:30
9:30
#22673
20K
12.43 mi13:22:202:00:149:4030:28
9:48
#22620
Half
13.11 mi13:28:572:06:519:416:37
9:42
#22617
25K
15.53 mi13:54:552:32:499:5025:58
10:43
#22810
30K
18.64 mi14:27:183:05:129:5632:23
10:25
#22648
20M
20.00 mi14:41:593:19:5310:0014:41
10:48
#22624
21M
21.00 mi14:53:423:31:3610:0511:43
11:43
#22606
35K
21.75 mi15:01:293:39:2310:057:47
10:24
#22573
23M
23.00 mi15:15:563:53:5010:1014:27
11:32
#22626
24M
24.00 mi15:26:224:04:1610:1110:26
10:26
#22590
40K
24.85 mi15:35:214:13:1510:118:59
10:30
#22550
25.2M
25.20 mi15:39:144:17:0810:123:53
11:16
#22530
Finish
26.22 mi15:49:194:27:1310:1210:05
9:54
#22491
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi228609309930922253(Top 84%)8935(Top 78%)8935(Top 476%)
10K6.21 mi3.10 mi22903-439305+49305+422855(Top 86%)9260(Top 81%)9260(Top 493%)
15K9.32 mi3.11 mi22673+2309174+1319174+13122253(Top 84%)8935(Top 78%)8935(Top 476%)
20K12.43 mi3.11 mi22620+539143+319143+3122428(Top 84%)9040(Top 79%)9040(Top 481%)
Half13.11 mi0.68 mi22617+39148-59148-522658(Top 85%)9168(Top 80%)9168(Top 488%)
25K15.53 mi2.42 mi22810-1939258-1109258-11023531(Top 88%)9688(Top 85%)9688(Top 516%)
30K18.64 mi3.11 mi22648+1629206+529206+5222061(Top 83%)8944(Top 78%)8944(Top 476%)
20M20.00 mi1.36 mi22624+249206920622363(Top 84%)9174(Top 80%)9174(Top 488%)
21M21.00 mi1.00 mi22606+189201+59201+522270(Top 84%)9150(Top 80%)9150(Top 487%)
35K21.75 mi0.75 mi22573+339185+169185+1622210(Top 83%)9166(Top 80%)9166(Top 488%)
23M23.00 mi1.25 mi22626-539225-409225-4023328(Top 88%)9762(Top 85%)9762(Top 520%)
24M24.00 mi1.00 mi22590+369216+99216+921880(Top 82%)9039(Top 79%)9039(Top 481%)
40K24.85 mi0.85 mi22550+409197+199197+1921244(Top 80%)8747(Top 77%)8747(Top 466%)
25.2M25.20 mi0.35 mi22530+209194+39194+321078(Top 79%)8637(Top 76%)8637(Top 460%)
Finish26.22 mi1.02 mi22491+399179+159179+1521483(Top 81%)8839(Top 77%)8839(Top 471%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

22253

Females

8935

F40-44

8935

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

22855

Females

9260

F40-44

9260

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

22253

Females

8935

F40-44

8935

15K→20K

9.3 - 12.4 mi

Top 84%
×5story building
+106ft-86ft

Overall

22428

Females

9040

F40-44

9040

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

22658

Females

9168

F40-44

9168

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

23531

Females

9688

F40-44

9688

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

22061

Females

8944

F40-44

8944

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

22363

Females

9174

F40-44

9174

20M→21M

20.0 - 21.0 mi

Top 84%
×8story building
+106ft-24ft

Overall

22270

Females

9150

F40-44

9150

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

22210

Females

9166

F40-44

9166

35K→23M

21.8 - 23.0 mi

Top 88%
×5story building
+23ft-63ft

Overall

23328

Females

9762

F40-44

9762

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

21880

Females

9039

F40-44

9039

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

21244

Females

8747

F40-44

8747

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

21078

Females

8637

F40-44

8637

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

21483

Females

8839

F40-44

8839

Passing Analysis

Category:
Athletes Passed
1361
Passed By
992
Net Change
+369
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22860
5K → 10K226269-43#22860#22903
10K → 15K28252+230#22903#22673
15K → 20K163110+53#22673#22620
20K → Half2522+3#22620#22617
Half → 25K44237-193#22617#22810
25K → 30K20543+162#22810#22648
30K → 20M6945+24#22648#22624
20M → 21M6547+18#22624#22606
21M → 35K5421+33#22606#22573
35K → 23M47100-53#22573#22626
23M → 24M4913+36#22626#22590
24M → 40K466+40#22590#22550
40K → 25.2M299+20#22550#22530
25.2M → Finish5718+39#22530#22491
TOTALS1361992+369
📊

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