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BOSTON MARATHON 2023

Lilian Volpi

Bib: 18720•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 39%
Gender (Female)
#0 / 11423
Top 20%
Masters (Masters Women)
#0 / 6539
Top 9%
Division (F40-44)
#0 / 1878
Top 18%
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
7:01/mi
21:48
↑ 97↓ 3451.5%
10K· 6.21 mi
7:24/mi
44:47
↑ 79↓ 1380.4%
15K· 9.32 mi
7:37/mi
1:08:27
↑ 67↓ 78
20K· 12.43 mi
7:41/mi
1:32:19
↑ 106↓ 860.1%
Half· 13.11 mi
7:34/mi
1:37:29
↑ 19↓ 370.5%
25K· 15.53 mi
7:48/mi
1:56:24
↑ 66↓ 880.2%
30K· 18.64 mi
8:04/mi
2:21:29
↑ 181↓ 1480.2%
20M
8:30/mi
2:33:03
↑ 64↓ 500.2%
21M
8:30/mi
2:41:33
↑ 106↓ 241.6%
35K· 21.75 mi
7:46/mi
2:47:22
↑ 17↓ 861.7%
23M
8:16/mi
2:57:43
↑ 23↓ 630.6%
24M
7:57/mi
3:05:40
↓ 821.3%
40K· 24.85 mi
8:09/mi
3:12:38
↓ 200.3%
25.2M
8:45/mi
3:15:39
↑ 13↓ 160.2%
Finish· 26.22 mi
7:58/mi
3:23:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:29
Pace7:26 /mi
2nd Half
Distance13.11 mi
Time1:46:17
Pace8:06 /mi
📊Positive Split: 9.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:36:5921:487:0121:48
7:01
-
10K
6.21 mi11:59:5844:477:1222:59
7:24
+0:23
15K
9.32 mi12:23:381:08:277:2123:40
7:37
+0:13
20K
12.43 mi12:47:301:32:197:2623:52
7:41
+0:04
Half
13.11 mi12:52:401:37:297:265:10
7:34
-0:07
25K
15.53 mi13:11:351:56:247:3018:55
7:48
+0:14
30K
18.64 mi13:36:402:21:297:3525:05
8:04
+0:16
20M
20.00 mi13:48:142:33:037:3911:34
8:30
+0:26
21M
21.00 mi13:56:442:41:337:428:30
8:30
0:00
35K
21.75 mi14:02:332:47:227:425:49
7:46
-0:44
23M
23.00 mi14:12:542:57:437:4410:21
8:16
+0:30
24M
24.00 mi14:20:513:05:407:447:57
7:57
-0:19
40K
24.85 mi14:27:493:12:387:456:58
8:09
+0:12
25.2M
25.20 mi14:30:503:15:397:463:01
8:45
+0:36
Finish
26.22 mi14:38:573:23:467:478:07
7:58
-0:47

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

7:01 /mi

Average Pace

7:47 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:29

48% of race

Time at Steady Pace

1:12:51

36% of race

Time at Slower Pace

33:26

16% of race

Average Pace: 7:46 /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 mi11:36:5921:487:0121:48
7:01
#6361
10K
6.21 mi11:59:5844:477:1222:59
7:24
#7821
15K
9.32 mi12:23:381:08:277:2123:40
7:37
#8799
20K
12.43 mi12:47:301:32:197:2623:52
7:41
#9225
Half
13.11 mi12:52:401:37:297:265:10
7:34
#9316
25K
15.53 mi13:11:351:56:247:3018:55
7:48
#9588
30K
18.64 mi13:36:402:21:297:3525:05
8:04
#9908
20M
20.00 mi13:48:142:33:037:3911:34
8:30
#10177
21M
21.00 mi13:56:442:41:337:428:30
8:30
#10157
35K
21.75 mi14:02:332:47:227:425:49
7:46
#10158
23M
23.00 mi14:12:542:57:437:4410:21
8:16
#10232
24M
24.00 mi14:20:513:05:407:447:57
7:57
#10236
40K
24.85 mi14:27:493:12:387:456:58
8:09
#10228
25.2M
25.20 mi14:30:503:15:397:463:01
8:45
#10237
Finish
26.22 mi14:38:573:23:467:478:07
7:58
#10290
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi636157357311179(Top 42%)2447(Top 21%)2447(Top 130%)
10K6.21 mi3.10 mi7821-1460958-385958-3859629(Top 36%)1672(Top 15%)1672(Top 89%)
15K9.32 mi3.11 mi8799-9781350-3921350-39211179(Top 42%)2447(Top 21%)2447(Top 130%)
20K12.43 mi3.11 mi9225-4261527-1771527-17710785(Top 41%)2303(Top 20%)2303(Top 123%)
Half13.11 mi0.68 mi9316-911567-401567-4010864(Top 41%)2293(Top 20%)2293(Top 122%)
25K15.53 mi2.42 mi9588-2721683-1161683-11611109(Top 42%)2535(Top 22%)2535(Top 135%)
30K18.64 mi3.11 mi9908-3201853-1701853-17011464(Top 43%)2878(Top 25%)2878(Top 153%)
20M20.00 mi1.36 mi10177-2692016-1632016-16313671(Top 51%)4229(Top 37%)4229(Top 225%)
21M21.00 mi1.00 mi10157+202021-52021-510530(Top 40%)2651(Top 23%)2651(Top 141%)
35K21.75 mi0.75 mi10158-12036-152036-1510497(Top 39%)2597(Top 23%)2597(Top 138%)
23M23.00 mi1.25 mi10232-742112-762112-7611646(Top 44%)3320(Top 29%)3320(Top 177%)
24M24.00 mi1.00 mi10236-42143-312143-3110900(Top 41%)3031(Top 27%)3031(Top 161%)
40K24.85 mi0.85 mi10228+82162-192162-1911033(Top 41%)3158(Top 28%)3158(Top 168%)
25.2M25.20 mi0.35 mi10237-92183-212183-2111050(Top 42%)3208(Top 28%)3208(Top 171%)
Finish26.22 mi1.02 mi10290-532239-562239-5611876(Top 45%)3633(Top 32%)3633(Top 193%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

11179

Females

2447

F40-44

2447

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

9629

Females

1672

F40-44

1672

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

11179

Females

2447

F40-44

2447

15K→20K

9.3 - 12.4 mi

Top 41%
×5story building
+106ft-86ft

Overall

10785

Females

2303

F40-44

2303

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

10864

Females

2293

F40-44

2293

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

11109

Females

2535

F40-44

2535

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

11464

Females

2878

F40-44

2878

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

13671

Females

4229

F40-44

4229

20M→21M

20.0 - 21.0 mi

Top 40%
×8story building
+106ft-24ft

Overall

10530

Females

2651

F40-44

2651

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

10497

Females

2597

F40-44

2597

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

11646

Females

3320

F40-44

3320

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

10900

Females

3031

F40-44

3031

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11033

Females

3158

F40-44

3158

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11050

Females

3208

F40-44

3208

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

11876

Females

3633

F40-44

3633

Passing Analysis

Category:
Athletes Passed
641*
Passed By
4569
Net Change
-3929
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6361
5K → 10K81468-1460#6361#7821
10K → 15K9987-978#7821#8799
15K → 20K38464-426#8799#9225
20K → Half798-91#9225#9316
Half → 25K56328-272#9316#9588
25K → 30K76*396-320#9588#9908
30K → 20M30298-269#9908#10177
20M → 21M9474+20#10177#10157
21M → 35K3839-1#10157#10158
35K → 23M66140-74#10158#10232
23M → 24M6064-4#10232#10236
24M → 40K7567+8#10236#10228
40K → 25.2M31*40-9#10228#10237
25.2M → Finish53106-53#10237#10290
TOTALS641*4569-3929

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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