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BOSTON MARATHON 2023

Daniele Slivinski

Bib: 14695•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 48%
Gender (Female)
#0 / 11423
Top 32%
Masters (Masters Women)
#0 / 6539
Top 18%
Division (F45-49)
#0 / 1817
Top 19%
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
7:16/mi
22:34
↑ 97↓ 3451.5%
10K· 6.21 mi
7:08/mi
44:44
↑ 79↓ 1380.4%
15K· 9.32 mi
7:18/mi
1:07:25
↑ 67↓ 78
20K· 12.43 mi
8:57/mi
1:35:14
↑ 106↓ 860.1%
Half· 13.11 mi
7:52/mi
1:40:36
↑ 19↓ 370.5%
25K· 15.53 mi
8:24/mi
2:00:59
↑ 66↓ 880.2%
30K· 18.64 mi
9:22/mi
2:30:04
↑ 181↓ 1480.2%
20M
8:35/mi
2:41:44
↑ 64↓ 500.2%
21M
9:27/mi
2:51:11
↑ 106↓ 241.6%
35K· 21.75 mi
7:53/mi
2:57:05
↑ 17↓ 861.7%
23M
7:54/mi
3:06:58
↑ 23↓ 630.6%
24M
7:33/mi
3:14:31
↓ 821.3%
40K· 24.85 mi
8:01/mi
3:21:22
↓ 200.3%
25.2M
8:36/mi
3:24:20
↑ 13↓ 160.2%
Finish· 26.22 mi
7:40/mi
3:32:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:36
Pace7:40 /mi
2nd Half
Distance13.11 mi
Time1:51:33
Pace8:31 /mi
📊Positive Split: 10.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2022:347:1622:34
7:16
-
10K
6.21 mi11:13:3044:447:1222:10
7:08
-0:08
15K
9.32 mi11:36:111:07:257:1422:41
7:18
+0:10
20K
12.43 mi12:04:001:35:147:4027:49
8:57
+1:39
Half
13.11 mi12:09:221:40:367:405:22
7:52
-1:05
25K
15.53 mi12:29:452:00:597:4720:23
8:24
+0:32
30K
18.64 mi12:58:502:30:048:0329:05
9:22
+0:58
20M
20.00 mi13:10:302:41:448:0511:40
8:35
-0:47
21M
21.00 mi13:19:572:51:118:099:27
9:27
+0:52
35K
21.75 mi13:25:512:57:058:095:54
7:53
-1:34
23M
23.00 mi13:35:443:06:588:089:53
7:54
+0:01
24M
24.00 mi13:43:173:14:318:067:33
7:33
-0:21
40K
24.85 mi13:50:083:21:228:066:51
8:01
+0:28
25.2M
25.20 mi13:53:063:24:208:072:58
8:36
+0:35
Finish
26.22 mi14:00:553:32:098:067:49
7:40
-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

7:08 /mi

Average Pace

8:06 /mi

Slowest Pace

9:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:07:25

32% of race

Time at Steady Pace

43:22

20% of race

Time at Slower Pace

1:41:22

48% of race

Average Pace: 8:05 /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 mi10:51:2022:347:1622:34
7:16
#7910
10K
6.21 mi11:13:3044:447:1222:10
7:08
#7769
15K
9.32 mi11:36:111:07:257:1422:41
7:18
#8006
20K
12.43 mi12:04:001:35:147:4027:49
8:57
#11221
Half
13.11 mi12:09:221:40:367:405:22
7:52
#11317
25K
15.53 mi12:29:452:00:597:4720:23
8:24
#12086
30K
18.64 mi12:58:502:30:048:0329:05
9:22
#13675
20M
20.00 mi13:10:302:41:448:0511:40
8:35
#13716
21M
21.00 mi13:19:572:51:118:099:27
9:27
#13858
35K
21.75 mi13:25:512:57:058:095:54
7:53
#13741
23M
23.00 mi13:35:443:06:588:089:53
7:54
#13429
24M
24.00 mi13:43:173:14:318:067:33
7:33
#13156
40K
24.85 mi13:50:083:21:228:066:51
8:01
#13026
25.2M
25.20 mi13:53:063:24:208:072:58
8:36
#12976
Finish
26.22 mi14:00:553:32:098:067:49
7:40
#12841
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi79109919918574(Top 32%)1279(Top 11%)1279(Top 70%)
10K6.21 mi3.10 mi7769+141940+51940+517675(Top 29%)953(Top 8%)953(Top 52%)
15K9.32 mi3.11 mi8006-2371039-991039-998574(Top 32%)1279(Top 11%)1279(Top 70%)
20K12.43 mi3.11 mi11221-32152452-14132452-141319481(Top 73%)7367(Top 64%)7367(Top 405%)
Half13.11 mi0.68 mi11317-962513-612513-6113360(Top 50%)3709(Top 32%)3709(Top 204%)
25K15.53 mi2.42 mi12086-7692988-4752988-47515622(Top 59%)5212(Top 46%)5212(Top 287%)
30K18.64 mi3.11 mi13675-15893943-9553943-95518868(Top 71%)7123(Top 62%)7123(Top 392%)
20M20.00 mi1.36 mi13716-413987-443987-4414164(Top 53%)4506(Top 39%)4506(Top 248%)
21M21.00 mi1.00 mi13858-1424086-994086-9915731(Top 59%)5466(Top 48%)5466(Top 301%)
35K21.75 mi0.75 mi13741+1174032+544032+5411356(Top 43%)3063(Top 27%)3063(Top 169%)
23M23.00 mi1.25 mi13429+3123873+1593873+1599089(Top 34%)2091(Top 18%)2091(Top 115%)
24M24.00 mi1.00 mi13156+2733742+1313742+1318101(Top 30%)1734(Top 15%)1734(Top 95%)
40K24.85 mi0.85 mi13026+1303692+503692+5010184(Top 38%)2756(Top 24%)2756(Top 152%)
25.2M25.20 mi0.35 mi12976+503670+223670+2210261(Top 39%)2841(Top 25%)2841(Top 156%)
Finish26.22 mi1.02 mi12841+1353606+643606+649821(Top 37%)2626(Top 23%)2626(Top 145%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

8574

Females

1279

F45-49

1279

5K→10K

3.1 - 6.2 mi

Top 29%
×5story building
+79ft-138ft

Overall

7675

Females

953

F45-49

953

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

8574

Females

1279

F45-49

1279

15K→20K

9.3 - 12.4 mi

Top 73%
×5story building
+106ft-86ft

Overall

19481

Females

7367

F45-49

7367

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

13360

Females

3709

F45-49

3709

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

15622

Females

5212

F45-49

5212

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

18868

Females

7123

F45-49

7123

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

14164

Females

4506

F45-49

4506

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

15731

Females

5466

F45-49

5466

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

11356

Females

3063

F45-49

3063

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9089

Females

2091

F45-49

2091

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

8101

Females

1734

F45-49

1734

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10184

Females

2756

F45-49

2756

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10261

Females

2841

F45-49

2841

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2story building
+22ft-21ft

Overall

9821

Females

2626

F45-49

2626

Passing Analysis

Category:
Athletes Passed
1587
Passed By
6516
Net Change
-4931
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7910
5K → 10K311170+141#7910#7769
10K → 15K57294-237#7769#8006
15K → 20K03213-3215#8006#11221
20K → Half5101-96#11221#11317
Half → 25K13782-769#11317#12086
25K → 30K141603-1589#12086#13675
30K → 20M84125-41#13675#13716
20M → 21M49191-142#13716#13858
21M → 35K1258+117#13858#13741
35K → 23M3175+312#13741#13429
23M → 24M2752+273#13429#13156
24M → 40K1366+130#13156#13026
40K → 25.2M544+50#13026#12976
25.2M → Finish14712+135#12976#12841
TOTALS15876516-4931
📊

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