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BOSTON MARATHON 2023

Dalyla Jasso-Dean

Bib: 20401•F

TX

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
8:19/mi
25:51
↑ 97↓ 3451.5%
10K· 6.21 mi
9:32/mi
55:28
↑ 79↓ 1380.4%
15K· 9.32 mi
9:34/mi
1:25:11
↑ 67↓ 78
20K· 12.43 mi
9:55/mi
1:56:00
↑ 106↓ 860.1%
Half· 13.11 mi
9:58/mi
2:02:48
↑ 19↓ 370.5%
25K· 15.53 mi
10:20/mi
2:27:51
↑ 66↓ 880.2%
30K· 18.64 mi
10:58/mi
3:01:54
↑ 181↓ 1480.2%
20M
11:19/mi
3:17:17
↑ 64↓ 500.2%
21M
12:17/mi
3:29:34
↑ 106↓ 241.6%
35K· 21.75 mi
10:54/mi
3:37:43
↑ 17↓ 861.7%
23M
11:22/mi
3:51:57
↑ 23↓ 630.6%
24M
10:57/mi
4:02:54
↓ 821.3%
40K· 24.85 mi
11:05/mi
4:12:23
↓ 200.3%
25.2M
11:50/mi
4:16:28
↑ 13↓ 160.2%
Finish· 26.22 mi
10:45/mi
4:27:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:48
Pace9:22 /mi
2nd Half
Distance13.11 mi
Time2:24:37
Pace11:02 /mi
📊Positive Split: 17.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:4925:518:1925:51
8:19
-
10K
6.21 mi11:48:2655:288:5629:37
9:32
+1:13
15K
9.32 mi12:18:091:25:119:0829:43
9:34
+0:02
20K
12.43 mi12:48:581:56:009:2030:49
9:55
+0:21
Half
13.11 mi12:55:462:02:489:226:48
9:58
+0:03
25K
15.53 mi13:20:492:27:519:3125:03
10:20
+0:22
30K
18.64 mi13:54:523:01:549:4534:03
10:58
+0:38
20M
20.00 mi14:10:153:17:179:5215:23
11:19
+0:21
21M
21.00 mi14:22:323:29:349:5912:17
12:17
+0:58
35K
21.75 mi14:30:413:37:4310:018:09
10:54
-1:23
23M
23.00 mi14:44:553:51:5710:0514:14
11:22
+0:28
24M
24.00 mi14:55:524:02:5410:0710:57
10:57
-0:25
40K
24.85 mi15:05:214:12:2310:099:29
11:05
+0:08
25.2M
25.20 mi15:09:264:16:2810:114:05
11:50
+0:45
Finish
26.22 mi15:20:234:27:2510:1210:57
10:45
-1:05

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

8:19 /mi

Average Pace

10:12 /mi

Slowest Pace

12:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:51

55% of race

Time at Steady Pace

1:43:12

39% of race

Time at Slower Pace

16:22

6% of race

Average Pace: 10:12 /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 mi11:18:4925:518:1925:51
8:19
#16314
10K
6.21 mi11:48:2655:288:5629:37
9:32
#20338
15K
9.32 mi12:18:091:25:119:0829:43
9:34
#21178
20K
12.43 mi12:48:581:56:009:2030:49
9:55
#21626
Half
13.11 mi12:55:462:02:489:226:48
9:58
#21725
25K
15.53 mi13:20:492:27:519:3125:03
10:20
#21946
30K
18.64 mi13:54:523:01:549:4534:03
10:58
#22242
20M
20.00 mi14:10:153:17:179:5215:23
11:19
#22313
21M
21.00 mi14:22:323:29:349:5912:17
12:17
#22374
35K
21.75 mi14:30:413:37:4310:018:09
10:54
#22407
23M
23.00 mi14:44:553:51:5710:0514:14
11:22
#22448
24M
24.00 mi14:55:524:02:5410:0710:57
10:57
#22475
40K
24.85 mi15:05:214:12:2310:099:29
11:05
#22467
25.2M
25.20 mi15:09:264:16:2810:114:05
11:50
#22462
Finish
26.22 mi15:20:234:27:2510:1210:57
10:45
#22511
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi163145481548122440(Top 84%)9034(Top 79%)9034(Top 481%)
10K6.21 mi3.10 mi20338-40247943-24627943-246222615(Top 85%)9149(Top 80%)9149(Top 487%)
15K9.32 mi3.11 mi21178-8408376-4338376-43322440(Top 84%)9034(Top 79%)9034(Top 481%)
20K12.43 mi3.11 mi21626-4488624-2488624-24822709(Top 85%)9194(Top 80%)9194(Top 490%)
Half13.11 mi0.68 mi21725-998671-478671-4723217(Top 87%)9471(Top 83%)9471(Top 504%)
25K15.53 mi2.42 mi21946-2218797-1268797-12622899(Top 86%)9332(Top 82%)9332(Top 497%)
30K18.64 mi3.11 mi22242-2968973-1768973-17623027(Top 86%)9473(Top 83%)9473(Top 504%)
20M20.00 mi1.36 mi22313-719018-459018-4523223(Top 87%)9636(Top 84%)9636(Top 513%)
21M21.00 mi1.00 mi22374-619074-569074-5623170(Top 87%)9634(Top 84%)9634(Top 513%)
35K21.75 mi0.75 mi22407-339094-209094-2023124(Top 87%)9659(Top 85%)9659(Top 514%)
23M23.00 mi1.25 mi22448-419124-309124-3023013(Top 86%)9592(Top 84%)9592(Top 511%)
24M24.00 mi1.00 mi22475-279145-219145-2122958(Top 86%)9610(Top 84%)9610(Top 512%)
40K24.85 mi0.85 mi22467+89153-89153-822548(Top 85%)9420(Top 82%)9420(Top 502%)
25.2M25.20 mi0.35 mi22462+59154-19154-122237(Top 84%)9257(Top 81%)9257(Top 493%)
Finish26.22 mi1.02 mi22511-499188-349188-3423500(Top 88%)9904(Top 87%)9904(Top 527%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

22440

Females

9034

F40-44

9034

5K→10K

3.1 - 6.2 mi

Top 85%
×5story building
+79ft-138ft

Overall

22615

Females

9149

F40-44

9149

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

22440

Females

9034

F40-44

9034

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

22709

Females

9194

F40-44

9194

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

23217

Females

9471

F40-44

9471

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

22899

Females

9332

F40-44

9332

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

23027

Females

9473

F40-44

9473

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

23223

Females

9636

F40-44

9636

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

23170

Females

9634

F40-44

9634

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

23124

Females

9659

F40-44

9659

35K→23M

21.8 - 23.0 mi

Top 86%
×5story building
+23ft-63ft

Overall

23013

Females

9592

F40-44

9592

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

22958

Females

9610

F40-44

9610

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22548

Females

9420

F40-44

9420

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22237

Females

9257

F40-44

9257

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2story building
+22ft-21ft

Overall

23500

Females

9904

F40-44

9904

Passing Analysis

Category:
Athletes Passed
413
Passed By
6610
Net Change
-6197
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16314
5K → 10K44028-4024#16314#20338
10K → 15K23863-840#20338#21178
15K → 20K33481-448#21178#21626
20K → Half6105-99#21626#21725
Half → 25K48269-221#21725#21946
25K → 30K54350-296#21946#22242
30K → 20M40111-71#22242#22313
20M → 21M3899-61#22313#22374
21M → 35K2457-33#22374#22407
35K → 23M4384-41#22407#22448
23M → 24M2451-27#22448#22475
24M → 40K3123+8#22475#22467
40K → 25.2M1611+5#22467#22462
25.2M → Finish2978-49#22462#22511
TOTALS4136610-6197
📊

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