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BOSTON MARATHON 2023

Diane Collias

Bib: 11106•F

VT

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 44%
Gender (Female)
#0 / 11423
Top 27%
Division (F18-39)
#0 / 4884
Top 44%
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
7:22/mi
22:53
↑ 97↓ 3451.5%
10K· 6.21 mi
7:20/mi
45:40
↑ 79↓ 1380.4%
15K· 9.32 mi
7:22/mi
1:08:32
↑ 67↓ 78
20K· 12.43 mi
7:39/mi
1:32:18
↑ 106↓ 860.1%
Half· 13.11 mi
7:37/mi
1:37:30
↑ 19↓ 370.5%
25K· 15.53 mi
8:36/mi
1:58:20
↑ 66↓ 880.2%
30K· 18.64 mi
8:24/mi
2:24:27
↑ 181↓ 1480.2%
20M
8:26/mi
2:35:54
↑ 64↓ 500.2%
21M
8:49/mi
2:44:43
↑ 106↓ 241.6%
35K· 21.75 mi
8:49/mi
2:51:18
↑ 17↓ 861.7%
23M
8:26/mi
3:01:52
↑ 23↓ 630.6%
24M
8:12/mi
3:10:04
↓ 821.3%
40K· 24.85 mi
8:18/mi
3:17:10
↓ 200.3%
25.2M
8:54/mi
3:20:14
↑ 13↓ 160.2%
Finish· 26.22 mi
8:15/mi
3:28:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:30
Pace7:26 /mi
2nd Half
Distance13.11 mi
Time1:51:08
Pace8:29 /mi
📊Positive Split: 14.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:4822:537:2222:53
7:22
-
10K
6.21 mi11:12:3545:407:2122:47
7:20
-0:02
15K
9.32 mi11:35:271:08:327:2122:52
7:22
+0:02
20K
12.43 mi11:59:131:32:187:2623:46
7:39
+0:17
Half
13.11 mi12:04:251:37:307:265:12
7:37
-0:02
25K
15.53 mi12:25:151:58:207:3720:50
8:36
+0:59
30K
18.64 mi12:51:222:24:277:4526:07
8:24
-0:12
20M
20.00 mi13:02:492:35:547:4811:27
8:26
+0:02
21M
21.00 mi13:11:382:44:437:518:49
8:49
+0:23
35K
21.75 mi13:18:132:51:187:536:35
8:49
0:00
23M
23.00 mi13:28:473:01:527:5410:34
8:26
-0:23
24M
24.00 mi13:36:593:10:047:558:12
8:12
-0:14
40K
24.85 mi13:44:053:17:107:567:06
8:18
+0:06
25.2M
25.20 mi13:47:093:20:147:573:04
8:54
+0:36
Finish
26.22 mi13:55:333:28:387:588:24
8:15
-0:39

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

7:20 /mi

Average Pace

7:58 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:30

47% of race

Time at Steady Pace

1:11:50

34% of race

Time at Slower Pace

39:18

19% of race

Average Pace: 7:57 /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 mi10:49:4822:537:2222:53
7:22
#8572
10K
6.21 mi11:12:3545:407:2122:47
7:20
#8818
15K
9.32 mi11:35:271:08:327:2122:52
7:22
#8862
20K
12.43 mi11:59:131:32:187:2623:46
7:39
#9211
Half
13.11 mi12:04:251:37:307:265:12
7:37
#9330
25K
15.53 mi12:25:151:58:207:3720:50
8:36
#10634
30K
18.64 mi12:51:222:24:277:4526:07
8:24
#11162
20M
20.00 mi13:02:492:35:547:4811:27
8:26
#11322
21M
21.00 mi13:11:382:44:437:518:49
8:49
#11356
35K
21.75 mi13:18:132:51:187:536:35
8:49
#11642
23M
23.00 mi13:28:473:01:527:5410:34
8:26
#11706
24M
24.00 mi13:36:593:10:047:558:12
8:12
#11745
40K
24.85 mi13:44:053:17:107:567:06
8:18
#11751
25.2M
25.20 mi13:47:093:20:147:573:04
8:54
#11744
Finish
26.22 mi13:55:333:28:387:588:24
8:15
#11831
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8572122812289037(Top 34%)1469(Top 13%)1469(Top 30%)
10K6.21 mi3.10 mi8818-2461338-1101338-1109129(Top 34%)1472(Top 13%)1472(Top 30%)
15K9.32 mi3.11 mi8862-441372-341372-349037(Top 34%)1469(Top 13%)1469(Top 30%)
20K12.43 mi3.11 mi9211-3491519-1471519-14710533(Top 40%)2165(Top 19%)2165(Top 44%)
Half13.11 mi0.68 mi9330-1191570-511570-5111297(Top 42%)2528(Top 22%)2528(Top 52%)
25K15.53 mi2.42 mi10634-13042166-5962166-59616775(Top 63%)5875(Top 51%)5875(Top 120%)
30K18.64 mi3.11 mi11162-5282507-3412507-34113735(Top 52%)4169(Top 36%)4169(Top 85%)
20M20.00 mi1.36 mi11322-1602607-1002607-10013173(Top 49%)3942(Top 35%)3942(Top 81%)
21M21.00 mi1.00 mi11356-342650-432650-4312316(Top 46%)3587(Top 31%)3587(Top 73%)
35K21.75 mi0.75 mi11642-2862821-1712821-17116993(Top 64%)6287(Top 55%)6287(Top 129%)
23M23.00 mi1.25 mi11706-642882-612882-6112858(Top 48%)3982(Top 35%)3982(Top 82%)
24M24.00 mi1.00 mi11745-392920-382920-3812614(Top 47%)3914(Top 34%)3914(Top 80%)
40K24.85 mi0.85 mi11751-62949-292949-2912090(Top 45%)3715(Top 33%)3715(Top 76%)
25.2M25.20 mi0.35 mi11744+72959-102959-1011945(Top 45%)3683(Top 32%)3683(Top 75%)
Finish26.22 mi1.02 mi11831-873029-703029-7013728(Top 52%)4587(Top 40%)4587(Top 94%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9037

Females

1469

F18-39

1469

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

9129

Females

1472

F18-39

1472

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9037

Females

1469

F18-39

1469

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

10533

Females

2165

F18-39

2165

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

11297

Females

2528

F18-39

2528

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

16775

Females

5875

F18-39

5875

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13735

Females

4169

F18-39

4169

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

13173

Females

3942

F18-39

3942

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

12316

Females

3587

F18-39

3587

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

16993

Females

6287

F18-39

6287

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

12858

Females

3982

F18-39

3982

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

12614

Females

3914

F18-39

3914

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12090

Females

3715

F18-39

3715

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

11945

Females

3683

F18-39

3683

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2story building
+22ft-21ft

Overall

13728

Females

4587

F18-39

4587

Passing Analysis

Category:
Athletes Passed
808
Passed By
4065
Net Change
-3259
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8572
5K → 10K160406-246#8572#8818
10K → 15K125169-44#8818#8862
15K → 20K44393-349#8862#9211
20K → Half6125-119#9211#9330
Half → 25K81310-1304#9330#10634
25K → 30K68596-528#10634#11162
30K → 20M46206-160#11162#11322
20M → 21M75109-34#11322#11356
21M → 35K7293-286#11356#11642
35K → 23M74138-64#11642#11706
23M → 24M5695-39#11706#11745
24M → 40K6066-6#11745#11751
40K → 25.2M3124+7#11751#11744
25.2M → Finish48135-87#11744#11831
TOTALS8084065-3259
📊

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