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BOSTON MARATHON 2023

Aviva Johnson

Bib: 16412•F

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 47%
Gender (Female)
#0 / 11423
Top 29%
Division (F18-39)
#0 / 4884
Top 47%
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
24:20
↑ 97↓ 3451.5%
10K· 6.21 mi
7:45/mi
48:26
↑ 79↓ 1380.4%
15K· 9.32 mi
7:49/mi
1:12:44
↑ 67↓ 78
20K· 12.43 mi
7:55/mi
1:37:21
↑ 106↓ 860.1%
Half· 13.11 mi
7:49/mi
1:42:41
↑ 19↓ 370.5%
25K· 15.53 mi
7:53/mi
2:01:47
↑ 66↓ 880.2%
30K· 18.64 mi
8:10/mi
2:27:08
↑ 181↓ 1480.2%
20M
8:18/mi
2:38:25
↑ 64↓ 500.2%
21M
8:53/mi
2:47:18
↑ 106↓ 241.6%
35K· 21.75 mi
8:00/mi
2:53:17
↑ 17↓ 861.7%
23M
8:23/mi
3:03:47
↑ 23↓ 630.6%
24M
8:08/mi
3:11:55
↓ 821.3%
40K· 24.85 mi
8:26/mi
3:19:08
↓ 200.3%
25.2M
9:02/mi
3:22:15
↑ 13↓ 160.2%
Finish· 26.22 mi
8:06/mi
3:30:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:41
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:47:49
Pace8:13 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:2624:207:5024:20
7:50
-
10K
6.21 mi11:38:3248:267:4824:06
7:45
-0:05
15K
9.32 mi12:02:501:12:447:4824:18
7:49
+0:04
20K
12.43 mi12:27:271:37:217:5024:37
7:55
+0:06
Half
13.11 mi12:32:471:42:417:505:20
7:49
-0:06
25K
15.53 mi12:51:532:01:477:5019:06
7:53
+0:04
30K
18.64 mi13:17:142:27:087:5425:21
8:10
+0:17
20M
20.00 mi13:28:312:38:257:5511:17
8:18
+0:08
21M
21.00 mi13:37:242:47:187:588:53
8:53
+0:35
35K
21.75 mi13:43:232:53:177:585:59
8:00
-0:53
23M
23.00 mi13:53:533:03:477:5910:30
8:23
+0:23
24M
24.00 mi14:02:013:11:558:008:08
8:08
-0:15
40K
24.85 mi14:09:143:19:088:017:13
8:26
+0:18
25.2M
25.20 mi14:12:213:22:158:023:07
9:02
+0:36
Finish
26.22 mi14:20:363:30:308:028:15
8:06
-0:56

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

7:45 /mi

Average Pace

8:02 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:18:30

94% of race

Time at Steady Pace

12:00

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:02 /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 mi11:14:2624:207:5024:20
7:50
#12684
10K
6.21 mi11:38:3248:267:4824:06
7:45
#12657
15K
9.32 mi12:02:501:12:447:4824:18
7:49
#12719
20K
12.43 mi12:27:271:37:217:5024:37
7:55
#12702
Half
13.11 mi12:32:471:42:417:505:20
7:49
#12705
25K
15.53 mi12:51:532:01:477:5019:06
7:53
#12512
30K
18.64 mi13:17:142:27:087:5425:21
8:10
#12409
20M
20.00 mi13:28:312:38:257:5511:17
8:18
#12387
21M
21.00 mi13:37:242:47:187:588:53
8:53
#12382
35K
21.75 mi13:43:232:53:177:585:59
8:00
#12379
23M
23.00 mi13:53:533:03:477:5910:30
8:23
#12375
24M
24.00 mi14:02:013:11:558:008:08
8:08
#12355
40K
24.85 mi14:09:143:19:088:017:13
8:26
#12385
25.2M
25.20 mi14:12:213:22:158:023:07
9:02
#12387
Finish
26.22 mi14:20:363:30:308:028:15
8:06
#12409
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi126843271327112915(Top 49%)3422(Top 30%)3422(Top 70%)
10K6.21 mi3.10 mi12657+273239+323239+3212750(Top 48%)3283(Top 29%)3283(Top 67%)
15K9.32 mi3.11 mi12719-623294-553294-5512915(Top 49%)3422(Top 30%)3422(Top 70%)
20K12.43 mi3.11 mi12702+173308-143308-1412828(Top 48%)3454(Top 30%)3454(Top 71%)
Half13.11 mi0.68 mi12705-33317-93317-912916(Top 49%)3445(Top 30%)3445(Top 71%)
25K15.53 mi2.42 mi12512+1933237+803237+8011767(Top 44%)2941(Top 26%)2941(Top 60%)
30K18.64 mi3.11 mi12409+1033205+323205+3212073(Top 45%)3222(Top 28%)3222(Top 66%)
20M20.00 mi1.36 mi12387+223209-43209-412400(Top 47%)3518(Top 31%)3518(Top 72%)
21M21.00 mi1.00 mi12382+53220-113220-1112772(Top 48%)3823(Top 33%)3823(Top 78%)
35K21.75 mi0.75 mi12379+33242-223242-2212146(Top 46%)3509(Top 31%)3509(Top 72%)
23M23.00 mi1.25 mi12375+43264-223264-2212507(Top 47%)3797(Top 33%)3797(Top 78%)
24M24.00 mi1.00 mi12355+203270-63270-612166(Top 46%)3677(Top 32%)3677(Top 75%)
40K24.85 mi0.85 mi12385-303305-353305-3512992(Top 49%)4196(Top 37%)4196(Top 86%)
25.2M25.20 mi0.35 mi12387-23318-133318-1312774(Top 48%)4107(Top 36%)4107(Top 84%)
Finish26.22 mi1.02 mi12409-223353-353353-3512764(Top 48%)4088(Top 36%)4088(Top 84%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

12915

Females

3422

F18-39

3422

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

12750

Females

3283

F18-39

3283

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

12915

Females

3422

F18-39

3422

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

12828

Females

3454

F18-39

3454

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

12916

Females

3445

F18-39

3445

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

11767

Females

2941

F18-39

2941

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12073

Females

3222

F18-39

3222

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

12400

Females

3518

F18-39

3518

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

12772

Females

3823

F18-39

3823

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

12146

Females

3509

F18-39

3509

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

12507

Females

3797

F18-39

3797

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

12166

Females

3677

F18-39

3677

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

12992

Females

4196

F18-39

4196

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12774

Females

4107

F18-39

4107

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

12764

Females

4088

F18-39

4088

Passing Analysis

Category:
Athletes Passed
1764
Passed By
1489
Net Change
+275
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12684
5K → 10K309282+27#12684#12657
10K → 15K179241-62#12657#12719
15K → 20K191174+17#12719#12702
20K → Half3437-3#12702#12705
Half → 25K24350+193#12705#12512
25K → 30K247144+103#12512#12409
30K → 20M10280+22#12409#12387
20M → 21M9994+5#12387#12382
21M → 35K5047+3#12382#12379
35K → 23M9086+4#12379#12375
23M → 24M7555+20#12375#12355
24M → 40K4777-30#12355#12385
40K → 25.2M3436-2#12385#12387
25.2M → Finish6486-22#12387#12409
TOTALS17641489+275
📊

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