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BOSTON MARATHON 2023

Emily Diaz

Bib: 30420•F

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
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
7:50/mi
24:19
↑ 97↓ 3451.5%
10K· 6.21 mi
7:47/mi
48:31
↑ 79↓ 1380.4%
15K· 9.32 mi
7:57/mi
1:13:13
↑ 67↓ 78
20K· 12.43 mi
8:18/mi
1:39:00
↑ 106↓ 860.1%
Half· 13.11 mi
8:05/mi
1:44:31
↑ 19↓ 370.5%
25K· 15.53 mi
8:19/mi
2:04:41
↑ 66↓ 880.2%
30K· 18.64 mi
9:00/mi
2:32:40
↑ 181↓ 1480.2%
20M
10:15/mi
2:46:36
↑ 64↓ 500.2%
21M
14:24/mi
3:01:00
↑ 106↓ 241.6%
35K· 21.75 mi
9:48/mi
3:08:20
↑ 17↓ 861.7%
23M
12:23/mi
3:23:50
↑ 23↓ 630.6%
24M
11:05/mi
3:34:55
↓ 821.3%
40K· 24.85 mi
13:08/mi
3:46:09
↓ 200.3%
25.2M
11:16/mi
3:50:02
↑ 13↓ 160.2%
Finish· 26.22 mi
9:44/mi
3:59:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:31
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time2:15:26
Pace10:20 /mi
📊Positive Split: 29.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:5224:197:5024:19
7:50
-
10K
6.21 mi12:12:0448:317:4824:12
7:47
-0:03
15K
9.32 mi12:36:461:13:137:5124:42
7:57
+0:10
20K
12.43 mi13:02:331:39:007:5825:47
8:18
+0:21
Half
13.11 mi13:08:041:44:317:585:31
8:05
-0:13
25K
15.53 mi13:28:142:04:418:0220:10
8:19
+0:14
30K
18.64 mi13:56:132:32:408:1127:59
9:00
+0:41
20M
20.00 mi14:10:092:46:368:2013:56
10:15
+1:15
21M
21.00 mi14:24:333:01:008:3714:24
14:24
+4:09
35K
21.75 mi14:31:533:08:208:407:20
9:48
-4:36
23M
23.00 mi14:47:233:23:508:5215:30
12:23
+2:35
24M
24.00 mi14:58:283:34:558:5711:05
11:05
-1:18
40K
24.85 mi15:09:423:46:099:0611:14
13:08
+2:03
25.2M
25.20 mi15:13:353:50:029:083:53
11:16
-1:52
Finish
26.22 mi15:23:303:59:579:109:55
9:44
-1:32

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

7:47 /mi

Average Pace

9:10 /mi

Slowest Pace

14:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:41

52% of race

Time at Steady Pace

59:10

25% of race

Time at Slower Pace

56:06

23% of race

Average Pace: 9:09 /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 mi11:47:5224:197:5024:19
7:50
#12652
10K
6.21 mi12:12:0448:317:4824:12
7:47
#12789
15K
9.32 mi12:36:461:13:137:5124:42
7:57
#13190
20K
12.43 mi13:02:331:39:007:5825:47
8:18
#13838
Half
13.11 mi13:08:041:44:317:585:31
8:05
#13892
25K
15.53 mi13:28:142:04:418:0220:10
8:19
#14071
30K
18.64 mi13:56:132:32:408:1127:59
9:00
#14730
20M
20.00 mi14:10:092:46:368:2013:56
10:15
#15452
21M
21.00 mi14:24:333:01:008:3714:24
14:24
#16914
35K
21.75 mi14:31:533:08:208:407:20
9:48
#17118
23M
23.00 mi14:47:233:23:508:5215:30
12:23
#18114
24M
24.00 mi14:58:283:34:558:5711:05
11:05
#18522
40K
24.85 mi15:09:423:46:099:0611:14
13:08
#19135
25.2M
25.20 mi15:13:353:50:029:083:53
11:16
#19183
Finish
26.22 mi15:23:303:59:579:109:55
9:44
#19304
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi126523258325814021(Top 53%)4103(Top 36%)4103(Top 84%)
10K6.21 mi3.10 mi12789-1373309-513309-5113051(Top 49%)3462(Top 30%)3462(Top 71%)
15K9.32 mi3.11 mi13190-4013575-2663575-26614021(Top 53%)4103(Top 36%)4103(Top 84%)
20K12.43 mi3.11 mi13838-6483985-4103985-41015617(Top 59%)5109(Top 45%)5109(Top 105%)
Half13.11 mi0.68 mi13892-544022-374022-3715143(Top 57%)4788(Top 42%)4788(Top 98%)
25K15.53 mi2.42 mi14071-1794154-1324154-13215088(Top 57%)4903(Top 43%)4903(Top 100%)
30K18.64 mi3.11 mi14730-6594575-4214575-42117223(Top 65%)6204(Top 54%)6204(Top 127%)
20M20.00 mi1.36 mi15452-7225062-4875062-48721160(Top 79%)8502(Top 74%)8502(Top 174%)
21M21.00 mi1.00 mi16914-14625934-8725934-87225362(Top 95%)10791(Top 94%)10791(Top 221%)
35K21.75 mi0.75 mi17118-2046066-1326066-13220801(Top 78%)8400(Top 74%)8400(Top 172%)
23M23.00 mi1.25 mi18114-9966680-6146680-61424470(Top 92%)10375(Top 91%)10375(Top 212%)
24M24.00 mi1.00 mi18522-4086920-2406920-24023212(Top 87%)9751(Top 85%)9751(Top 200%)
40K24.85 mi0.85 mi19135-6137276-3567276-35625061(Top 94%)10709(Top 94%)10709(Top 219%)
25.2M25.20 mi0.35 mi19183-487304-287304-2821098(Top 79%)8656(Top 76%)8656(Top 177%)
Finish26.22 mi1.02 mi19304-1217384-807384-8020943(Top 79%)8535(Top 75%)8535(Top 175%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

14021

Females

4103

F18-39

4103

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

13051

Females

3462

F18-39

3462

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

14021

Females

4103

F18-39

4103

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

15617

Females

5109

F18-39

5109

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

15143

Females

4788

F18-39

4788

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

15088

Females

4903

F18-39

4903

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

17223

Females

6204

F18-39

6204

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

21160

Females

8502

F18-39

8502

20M→21M

20.0 - 21.0 mi

Top 95%
×8story building
+106ft-24ft

Overall

25362

Females

10791

F18-39

10791

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

20801

Females

8400

F18-39

8400

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

24470

Females

10375

F18-39

10375

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

23212

Females

9751

F18-39

9751

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

25061

Females

10709

F18-39

10709

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

21098

Females

8656

F18-39

8656

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

20943

Females

8535

F18-39

8535

Passing Analysis

Category:
Athletes Passed
606
Passed By
7258
Net Change
-6652
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12652
5K → 10K238375-137#12652#12789
10K → 15K88489-401#12789#13190
15K → 20K57705-648#13190#13838
20K → Half2175-54#13838#13892
Half → 25K72251-179#13892#14071
25K → 30K51710-659#14071#14730
30K → 20M11733-722#14730#15452
20M → 21M11463-1462#15452#16914
21M → 35K13217-204#16914#17118
35K → 23M71003-996#17118#18114
23M → 24M7415-408#18114#18522
24M → 40K4617-613#18522#19135
40K → 25.2M1563-48#19135#19183
25.2M → Finish21142-121#19183#19304
TOTALS6067258-6652
📊

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