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BOSTON MARATHON 2023

Elizabeth Stepanian

Bib: 15668•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 44%
Gender (Female)
#0 / 11423
Top 25%
Masters (Masters Women)
#0 / 6539
Top 13%
Division (F45-49)
#0 / 1817
Top 13%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:04
Rank: #16800
Start → 5K
8:23/mi
26:04 split
10K· 6.21 mi
51:44
Rank: #16684 (+116)
5K → 10K
8:16/mi
25:40 split
15K· 9.32 mi
1:15:56
Rank: #15467 (+1217)
10K → 15K
7:47/mi
24:12 split
20K· 12.43 mi
1:40:03
Rank: #14489 (+978)
15K → 20K
7:46/mi
24:07 split
Half· 13.11 mi
1:45:09
Rank: #14272 (+217)
20K → Half
7:29/mi
5:06 split
25K· 15.53 mi
2:04:03
Rank: #13754 (+518)
Half → 25K
7:48/mi
18:54 split
30K· 18.64 mi
2:29:00
Rank: #13242 (+512)
25K → 30K
8:02/mi
24:57 split
20M
2:39:56
Rank: #13019 (+223)
30K → 20M
8:03/mi
10:56 split
21M
2:48:23
Rank: #12811 (+208)
20M → 21M
8:27/mi
8:27 split
35K· 21.75 mi
2:54:13
Rank: #12702 (+109)
21M → 35K
7:48/mi
5:50 split
23M
3:03:57
Rank: #12432 (+270)
35K → 23M
7:46/mi
9:44 split
24M
3:11:21
Rank: #12194 (+238)
23M → 24M
7:24/mi
7:24 split
40K· 24.85 mi
3:17:44
Rank: #11933 (+261)
24M → 40K
7:28/mi
6:23 split
25.2M
3:20:28
Rank: #11824 (+109)
40K → 25.2M
7:56/mi
2:44 split
Finish· 26.22 mi
3:27:54
Rank: #11588 (+236)
25.2M → Finish
7:18/mi
7:26 split

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:45:09
Pace8:01 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:42:45
Pace7:50 /mi
📊Negative Split: 2.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:00:2526:048:2326:04
8:23
-
10K
6.21 mi11:26:0551:448:2025:40
8:16
-0:07
15K
9.32 mi11:50:171:15:568:0924:12
7:47
-0:29
20K
12.43 mi12:14:241:40:038:0324:07
7:46
-0:01
Half
13.11 mi12:19:301:45:098:015:06
7:29
-0:17
25K
15.53 mi12:38:242:04:037:5918:54
7:48
+0:19
30K
18.64 mi13:03:212:29:008:0024:57
8:02
+0:14
20M
20.00 mi13:14:172:39:568:0010:56
8:03
+0:01
21M
21.00 mi13:22:442:48:238:018:27
8:27
+0:24
35K
21.75 mi13:28:342:54:138:015:50
7:48
-0:39
23M
23.00 mi13:38:183:03:578:009:44
7:46
-0:02
24M
24.00 mi13:45:423:11:217:587:24
7:24
-0:22
40K
24.85 mi13:52:053:17:447:576:23
7:28
+0:04
25.2M
25.20 mi13:54:493:20:287:572:44
7:56
+0:28
Finish
26.22 mi14:02:153:27:547:567:26
7:18
-0:38

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

7:18 /mi

Average Pace

7:56 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:50

54% of race

Time at Steady Pace

1:36:04

46% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:56 /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 mi11:00:2526:048:2326:04
8:23
#16800
10K
6.21 mi11:26:0551:448:2025:40
8:16
#16684
15K
9.32 mi11:50:171:15:568:0924:12
7:47
#15467
20K
12.43 mi12:14:241:40:038:0324:07
7:46
#14489
Half
13.11 mi12:19:301:45:098:015:06
7:29
#14272
25K
15.53 mi12:38:242:04:037:5918:54
7:48
#13754
30K
18.64 mi13:03:212:29:008:0024:57
8:02
#13242
20M
20.00 mi13:14:172:39:568:0010:56
8:03
#13019
21M
21.00 mi13:22:442:48:238:018:27
8:27
#12811
35K
21.75 mi13:28:342:54:138:015:50
7:48
#12702
23M
23.00 mi13:38:183:03:578:009:44
7:46
#12432
24M
24.00 mi13:45:423:11:217:587:24
7:24
#12194
40K
24.85 mi13:52:053:17:447:576:23
7:28
#11933
25.2M
25.20 mi13:54:493:20:287:572:44
7:56
#11824
Finish
26.22 mi14:02:153:27:547:567:26
7:18
#11588
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi168005790579012654(Top 48%)3265(Top 29%)3265(Top 180%)
10K6.21 mi3.10 mi16684+1165697+935697+9316658(Top 63%)5665(Top 50%)5665(Top 312%)
15K9.32 mi3.11 mi15467+12174956+7414956+74112654(Top 48%)3265(Top 29%)3265(Top 180%)
20K12.43 mi3.11 mi14489+9784362+5944362+59411432(Top 43%)2653(Top 23%)2653(Top 146%)
Half13.11 mi0.68 mi14272+2174242+1204242+12010123(Top 38%)1959(Top 17%)1959(Top 108%)
25K15.53 mi2.42 mi13754+5183957+2853957+28511073(Top 42%)2521(Top 22%)2521(Top 139%)
30K18.64 mi3.11 mi13242+5123693+2643693+26411161(Top 42%)2720(Top 24%)2720(Top 150%)
20M20.00 mi1.36 mi13019+2233576+1173576+11710626(Top 40%)2552(Top 22%)2552(Top 140%)
21M21.00 mi1.00 mi12811+2083482+943482+9410214(Top 38%)2489(Top 22%)2489(Top 137%)
35K21.75 mi0.75 mi12702+1093430+523430+5210685(Top 40%)2719(Top 24%)2719(Top 150%)
23M23.00 mi1.25 mi12432+2703291+1393291+1398276(Top 31%)1714(Top 15%)1714(Top 94%)
24M24.00 mi1.00 mi12194+2383184+1073184+1077112(Top 27%)1341(Top 12%)1341(Top 74%)
40K24.85 mi0.85 mi11933+2613061+1233061+1236567(Top 25%)1203(Top 11%)1203(Top 66%)
25.2M25.20 mi0.35 mi11824+1093000+613000+616201(Top 23%)1151(Top 10%)1151(Top 63%)
Finish26.22 mi1.02 mi11588+2362902+982902+987151(Top 27%)1498(Top 13%)1498(Top 82%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21story building
+97ft-345ft

Overall

12654

Females

3265

F45-49

3265

5K→10K

3.1 - 6.2 mi

Top 63%
×5story building
+79ft-138ft

Overall

16658

Females

5665

F45-49

5665

10K→15K

6.2 - 9.3 mi

Top 48%
×3story building
+67ft-78ft

Overall

12654

Females

3265

F45-49

3265

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

11432

Females

2653

F45-49

2653

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

10123

Females

1959

F45-49

1959

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

11073

Females

2521

F45-49

2521

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

11161

Females

2720

F45-49

2720

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

10626

Females

2552

F45-49

2552

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

10214

Females

2489

F45-49

2489

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

10685

Females

2719

F45-49

2719

35K→23M

21.8 - 23.0 mi

Top 31%
×5story building
+23ft-63ft

Overall

8276

Females

1714

F45-49

1714

23M→24M

23.0 - 24.0 mi

Top 27%
×6story building
+12ft-82ft

Overall

7112

Females

1341

F45-49

1341

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6567

Females

1203

F45-49

1203

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6201

Females

1151

F45-49

1151

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7151

Females

1498

F45-49

1498

Passing Analysis

Category:
Athletes Passed
5532
Passed By
320
Net Change
+5212
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16800
5K → 10K363247+116#16800#16684
10K → 15K12225+1217#16684#15467
15K → 20K9802+978#15467#14489
20K → Half2170+217#14489#14272
Half → 25K5213+518#14272#13754
25K → 30K53523+512#13754#13242
30K → 20M2329+223#13242#13019
20M → 21M22012+208#13019#12811
21M → 35K1178+109#12811#12702
35K → 23M2744+270#12702#12432
23M → 24M2391+238#12432#12194
24M → 40K2632+261#12194#11933
40K → 25.2M1101+109#11933#11824
25.2M → Finish2393+236#11824#11588
TOTALS5532320+5212
📊

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