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BOSTON MARATHON 2023

Francesca Lynch

CT

Bib: 25085 F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 31%
Gender (Female)
#0 / 11423
Top 12%
Division (F18-39)
#0 / 4884
Top 23%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:39/mi
23:46
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:30/mi
47:04
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:38/mi
1:10:48
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:44/mi
1:34:50
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:37/mi
1:40:02
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:27/mi
1:58:07
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:30/mi
2:21:24
↑ 181↓ 1480.2%
138 ft elev
20M
7:27/mi
2:31:31
↑ 64↓ 500.2%
148 ft elev
21M
7:46/mi
2:39:17
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:54/mi
2:44:27
↑ 17↓ 861.7%
156 ft elev
23M
7:14/mi
2:53:30
↑ 23↓ 630.6%
116 ft elev
24M
7:08/mi
3:00:38
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:20/mi
3:06:54
↓ 200.3%
20 ft elev
25.2M
7:53/mi
3:09:37
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:21/mi
3:17:06
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:40:02
Pace7:38 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:37:04
Pace7:24 /mi
📊Negative Split: 3.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:39:0423:467:3923:46
7:39
-
10K
6.21 mi12:02:2247:047:3423:18
7:30
-0:09
15K
9.32 mi12:26:061:10:487:3623:44
7:38
+0:08
20K
12.43 mi12:50:081:34:507:3824:02
7:44
+0:06
Half
13.11 mi12:55:201:40:027:385:12
7:37
-0:07
25K
15.53 mi13:13:251:58:077:3618:05
7:27
-0:10
30K
18.64 mi13:36:422:21:247:3523:17
7:30
+0:03
20M
20.00 mi13:46:492:31:317:3510:07
7:27
-0:03
21M
21.00 mi13:54:352:39:177:357:46
7:46
+0:19
35K
21.75 mi13:59:452:44:277:345:10
6:54
-0:52
23M
23.00 mi14:08:482:53:307:339:03
7:14
+0:20
24M
24.00 mi14:15:563:00:387:327:08
7:08
-0:06
40K
24.85 mi14:22:123:06:547:316:16
7:20
+0:12
25.2M
25.20 mi14:24:553:09:377:312:43
7:53
+0:33
Finish
26.22 mi14:32:243:17:067:317:29
7:21
-0:32

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

6:54 /mi

Average Pace

7:31 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:53

56% of race

Time at Steady Pace

1:27:13

44% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:31 /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 mi11:39:0423:467:3923:46
7:39
#11024
10K
6.21 mi12:02:2247:047:3423:18
7:30
#10680
15K
9.32 mi12:26:061:10:487:3623:44
7:38
#10898
20K
12.43 mi12:50:081:34:507:3824:02
7:44
#10979
Half
13.11 mi12:55:201:40:027:385:12
7:37
#10977
25K
15.53 mi13:13:251:58:077:3618:05
7:27
#10510
30K
18.64 mi13:36:422:21:247:3523:17
7:30
#9862
20M
20.00 mi13:46:492:31:317:3510:07
7:27
#9573
21M
21.00 mi13:54:352:39:177:357:46
7:46
#9311
35K
21.75 mi13:59:452:44:277:345:10
6:54
#9094
23M
23.00 mi14:08:482:53:307:339:03
7:14
#8806
24M
24.00 mi14:15:563:00:387:327:08
7:08
#8612
40K
24.85 mi14:22:123:06:547:316:16
7:20
#8470
25.2M
25.20 mi14:24:553:09:377:312:43
7:53
#8401
Finish
26.22 mi14:32:243:17:067:317:29
7:21
#8331
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi110242337233711342(Top 43%)2533(Top 22%)2533(Top 52%)
10K6.21 mi3.10 mi10680+3442161+1762161+17610447(Top 39%)2024(Top 18%)2024(Top 41%)
15K9.32 mi3.11 mi10898-2182278-1172278-11711342(Top 43%)2533(Top 22%)2533(Top 52%)
20K12.43 mi3.11 mi10979-812321-432321-4311192(Top 42%)2503(Top 22%)2503(Top 51%)
Half13.11 mi0.68 mi10977+22321232111223(Top 42%)2454(Top 21%)2454(Top 50%)
25K15.53 mi2.42 mi10510+4672098+2232098+2238482(Top 32%)1353(Top 12%)1353(Top 28%)
30K18.64 mi3.11 mi9862+6481833+2651833+2657194(Top 27%)1000(Top 9%)1000(Top 20%)
20M20.00 mi1.36 mi9573+2891738+951738+956464(Top 24%)841(Top 7%)841(Top 17%)
21M21.00 mi1.00 mi9311+2621657+811657+816040(Top 23%)824(Top 7%)824(Top 17%)
35K21.75 mi0.75 mi9094+2171583+741583+744873(Top 18%)489(Top 4%)489(Top 10%)
23M23.00 mi1.25 mi8806+2881492+911492+914961(Top 19%)525(Top 5%)525(Top 11%)
24M24.00 mi1.00 mi8612+1941432+601432+605420(Top 20%)700(Top 6%)700(Top 14%)
40K24.85 mi0.85 mi8470+1421400+321400+325681(Top 21%)871(Top 8%)871(Top 18%)
25.2M25.20 mi0.35 mi8401+691383+171383+175891(Top 22%)1022(Top 9%)1022(Top 21%)
Finish26.22 mi1.02 mi8331+701384-11384-17426(Top 28%)1594(Top 14%)1594(Top 33%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

11342

Females

2533

F18-39

2533

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

10447

Females

2024

F18-39

2024

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

11342

Females

2533

F18-39

2533

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

11192

Females

2503

F18-39

2503

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

11223

Females

2454

F18-39

2454

Half→25K

13.1 - 15.5 mi

Top 32%
×4story building
+66ft-88ft

Overall

8482

Females

1353

F18-39

1353

25K→30K

15.5 - 18.6 mi

Top 27%
×9story building
+181ft-148ft

Overall

7194

Females

1000

F18-39

1000

30K→20M

18.6 - 20.0 mi

Top 24%
×5story building
+64ft-50ft

Overall

6464

Females

841

F18-39

841

20M→21M

20.0 - 21.0 mi

Top 23%
×8story building
+106ft-24ft

Overall

6040

Females

824

F18-39

824

21M→35K

21.0 - 21.8 mi

Top 18%
×7story building
+17ft-86ft

Overall

4873

Females

489

F18-39

489

35K→23M

21.8 - 23.0 mi

Top 19%
×5story building
+23ft-63ft

Overall

4961

Females

525

F18-39

525

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5420

Females

700

F18-39

700

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5681

Females

871

F18-39

871

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5891

Females

1022

F18-39

1022

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

7426

Females

1594

F18-39

1594

Passing Analysis

Category:
Athletes Passed
3454*
Passed By
761
Net Change
+2693
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11024
5K → 10K491147+344#11024#10680
10K → 15K108326-218#10680#10898
15K → 20K134215-81#10898#10979
20K → Half2422+2#10979#10977
Half → 25K4670+467#10977#10510
25K → 30K651*3+648#10510#9862
30K → 20M2912+289#9862#9573
20M → 21M2642+262#9573#9311
21M → 35K2170+217#9311#9094
35K → 23M2902+288#9094#8806
23M → 24M1951+194#8806#8612
24M → 40K1475+142#8612#8470
40K → 25.2M701+69#8470#8401
25.2M → Finish10535+70#8401#8331
TOTALS3454*761+2693

* 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