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BOSTON MARATHON 2023

Larissa Furlan

Bib: 15222•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 28%
Gender (Female)
#0 / 11423
Top 9%
Division (F18-39)
#0 / 4884
Top 17%
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
7:36/mi
23:37
↑ 97↓ 3451.5%
10K· 6.21 mi
7:20/mi
46:23
↑ 79↓ 1380.4%
15K· 9.32 mi
7:18/mi
1:09:05
↑ 67↓ 78
20K· 12.43 mi
7:22/mi
1:31:59
↑ 106↓ 860.1%
Half· 13.11 mi
7:15/mi
1:36:56
↑ 19↓ 370.5%
25K· 15.53 mi
7:22/mi
1:54:47
↑ 66↓ 880.2%
30K· 18.64 mi
7:27/mi
2:17:57
↑ 181↓ 1480.2%
20M
7:22/mi
2:27:58
↑ 64↓ 500.2%
21M
7:48/mi
2:35:46
↑ 106↓ 241.6%
35K· 21.75 mi
7:13/mi
2:41:10
↑ 17↓ 861.7%
23M
7:31/mi
2:50:35
↑ 23↓ 630.6%
24M
7:08/mi
2:57:43
↓ 821.3%
40K· 24.85 mi
7:16/mi
3:03:56
↓ 200.3%
25.2M
7:53/mi
3:06:39
↑ 13↓ 160.2%
Finish· 26.22 mi
7:05/mi
3:13:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:36:56
Pace7:24 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:36:56
Pace7:24 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1323:377:3623:37
7:36
-
10K
6.21 mi11:15:5946:237:2822:46
7:20
-0:16
15K
9.32 mi11:38:411:09:057:2522:42
7:18
-0:02
20K
12.43 mi12:01:351:31:597:2422:54
7:22
+0:04
Half
13.11 mi12:06:321:36:567:244:57
7:15
-0:07
25K
15.53 mi12:24:231:54:477:2317:51
7:22
+0:07
30K
18.64 mi12:47:332:17:577:2423:10
7:27
+0:05
20M
20.00 mi12:57:342:27:587:2410:01
7:22
-0:05
21M
21.00 mi13:05:222:35:467:257:48
7:48
+0:26
35K
21.75 mi13:10:462:41:107:255:24
7:13
-0:35
23M
23.00 mi13:20:112:50:357:259:25
7:31
+0:18
24M
24.00 mi13:27:192:57:437:247:08
7:08
-0:23
40K
24.85 mi13:33:323:03:567:246:13
7:16
+0:08
25.2M
25.20 mi13:36:153:06:397:242:43
7:53
+0:37
Finish
26.22 mi13:43:283:13:527:247:13
7:05
-0:48

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

7:05 /mi

Average Pace

7:24 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:03:21

95% of race

Time at Steady Pace

10:31

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:24 /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 mi10:53:1323:377:3623:37
7:36
#10557
10K
6.21 mi11:15:5946:237:2822:46
7:20
#9710
15K
9.32 mi11:38:411:09:057:2522:42
7:18
#9293
20K
12.43 mi12:01:351:31:597:2422:54
7:22
#9017
Half
13.11 mi12:06:321:36:567:244:57
7:15
#8968
25K
15.53 mi12:24:231:54:477:2317:51
7:22
#8752
30K
18.64 mi12:47:332:17:577:2423:10
7:27
#8360
20M
20.00 mi12:57:342:27:587:2410:01
7:22
#8162
21M
21.00 mi13:05:222:35:467:257:48
7:48
#8012
35K
21.75 mi13:10:462:41:107:255:24
7:13
#7939
23M
23.00 mi13:20:112:50:357:259:25
7:31
#7826
24M
24.00 mi13:27:192:57:437:247:08
7:08
#7662
40K
24.85 mi13:33:323:03:567:246:13
7:16
#7547
25.2M
25.20 mi13:36:153:06:397:242:43
7:53
#7513
Finish
26.22 mi13:43:283:13:527:247:13
7:05
#7401
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10557210921098623(Top 32%)1282(Top 11%)1282(Top 26%)
10K6.21 mi3.10 mi9710+8471709+4001709+4009071(Top 34%)1435(Top 13%)1435(Top 29%)
15K9.32 mi3.11 mi9293+4171540+1691540+1698623(Top 32%)1282(Top 11%)1282(Top 26%)
20K12.43 mi3.11 mi9017+2761446+941446+948306(Top 31%)1217(Top 11%)1217(Top 25%)
Half13.11 mi0.68 mi8968+491431+151431+158292(Top 31%)1197(Top 10%)1197(Top 25%)
25K15.53 mi2.42 mi8752+2161354+771354+777718(Top 29%)1085(Top 9%)1085(Top 22%)
30K18.64 mi3.11 mi8360+3921250+1041250+1046950(Top 26%)916(Top 8%)916(Top 19%)
20M20.00 mi1.36 mi8162+1981193+571193+576060(Top 23%)721(Top 6%)721(Top 15%)
21M21.00 mi1.00 mi8012+1501152+411152+416203(Top 23%)857(Top 8%)857(Top 18%)
35K21.75 mi0.75 mi7939+731137+151137+156679(Top 25%)981(Top 9%)981(Top 20%)
23M23.00 mi1.25 mi7826+1131122+151122+156559(Top 25%)1010(Top 9%)1010(Top 21%)
24M24.00 mi1.00 mi7662+1641071+511071+515411(Top 20%)691(Top 6%)691(Top 14%)
40K24.85 mi0.85 mi7547+1151062+91062+95297(Top 20%)756(Top 7%)756(Top 15%)
25.2M25.20 mi0.35 mi7513+341061+11061+15876(Top 22%)1007(Top 9%)1007(Top 21%)
Finish26.22 mi1.02 mi7401+1121046+151046+155746(Top 22%)982(Top 9%)982(Top 20%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

8623

Females

1282

F18-39

1282

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

9071

Females

1435

F18-39

1435

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

8623

Females

1282

F18-39

1282

15K→20K

9.3 - 12.4 mi

Top 31%
×5story building
+106ft-86ft

Overall

8306

Females

1217

F18-39

1217

20K→Half

12.4 - 13.1 mi

Top 31%
×2story building
+19ft-37ft

Overall

8292

Females

1197

F18-39

1197

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

7718

Females

1085

F18-39

1085

25K→30K

15.5 - 18.6 mi

Top 26%
×9story building
+181ft-148ft

Overall

6950

Females

916

F18-39

916

30K→20M

18.6 - 20.0 mi

Top 23%
×5story building
+64ft-50ft

Overall

6060

Females

721

F18-39

721

20M→21M

20.0 - 21.0 mi

Top 23%
×8story building
+106ft-24ft

Overall

6203

Females

857

F18-39

857

21M→35K

21.0 - 21.8 mi

Top 25%
×7story building
+17ft-86ft

Overall

6679

Females

981

F18-39

981

35K→23M

21.8 - 23.0 mi

Top 25%
×5story building
+23ft-63ft

Overall

6559

Females

1010

F18-39

1010

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5411

Females

691

F18-39

691

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5297

Females

756

F18-39

756

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5876

Females

1007

F18-39

1007

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2story building
+22ft-21ft

Overall

5746

Females

982

F18-39

982

Passing Analysis

Category:
Athletes Passed
3400*
Passed By
244
Net Change
+3156
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10557
5K → 10K900*53+847#10557#9710
10K → 15K44225+417#9710#9293
15K → 20K30529+276#9293#9017
20K → Half556+49#9017#8968
Half → 25K23620+216#8968#8752
25K → 30K41220+392#8752#8360
30K → 20M2013+198#8360#8162
20M → 21M16414+150#8162#8012
21M → 35K8512+73#8012#7939
35K → 23M13320+113#7939#7826
23M → 24M1717+164#7826#7662
24M → 40K1238+115#7662#7547
40K → 25.2M395+34#7547#7513
25.2M → Finish13422+112#7513#7401
TOTALS3400*244+3156

* 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