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BOSTON MARATHON 2023

Christina Muccio

Bib: 31800•F

MA

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
9:10/mi
28:30
↑ 97↓ 3451.5%
10K· 6.21 mi
8:58/mi
56:20
↑ 79↓ 1380.4%
15K· 9.32 mi
8:42/mi
1:23:22
↑ 67↓ 78
20K· 12.43 mi
8:37/mi
1:50:08
↑ 106↓ 860.1%
Half· 13.11 mi
8:40/mi
1:56:03
↑ 19↓ 370.5%
25K· 15.53 mi
8:47/mi
2:17:20
↑ 66↓ 880.2%
30K· 18.64 mi
8:52/mi
2:44:52
↑ 181↓ 1480.2%
20M
8:51/mi
2:56:54
↑ 64↓ 500.2%
21M
9:21/mi
3:06:15
↑ 106↓ 241.6%
35K· 21.75 mi
8:41/mi
3:12:45
↑ 17↓ 861.7%
23M
8:50/mi
3:23:49
↑ 23↓ 630.6%
24M
8:33/mi
3:32:22
↓ 821.3%
40K· 24.85 mi
8:31/mi
3:39:39
↓ 200.3%
25.2M
9:08/mi
3:42:48
↑ 13↓ 160.2%
Finish· 26.22 mi
8:10/mi
3:51:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:56:03
Pace8:51 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:55:04
Pace8:47 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:5328:309:1028:30
9:10
-
10K
6.21 mi12:19:4356:209:0427:50
8:58
-0:12
15K
9.32 mi12:46:451:23:228:5727:02
8:42
-0:16
20K
12.43 mi13:13:311:50:088:5226:46
8:37
-0:05
Half
13.11 mi13:19:261:56:038:515:55
8:40
+0:03
25K
15.53 mi13:40:432:17:208:5021:17
8:47
+0:07
30K
18.64 mi14:08:152:44:528:5127:32
8:52
+0:05
20M
20.00 mi14:20:172:56:548:5112:02
8:51
-0:01
21M
21.00 mi14:29:383:06:158:529:21
9:21
+0:30
35K
21.75 mi14:36:083:12:458:526:30
8:41
-0:40
23M
23.00 mi14:47:123:23:498:5211:04
8:50
+0:09
24M
24.00 mi14:55:453:32:228:518:33
8:33
-0:17
40K
24.85 mi15:03:023:39:398:507:17
8:31
-0:02
25.2M
25.20 mi15:06:113:42:488:503:09
9:08
+0:37
Finish
26.22 mi15:14:303:51:078:498:19
8:10
-0:58

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

8:10 /mi

Average Pace

8:49 /mi

Slowest Pace

9:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:07

82% of race

Time at Steady Pace

41:00

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:49 /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 mi11:51:5328:309:1028:30
9:10
#21134
10K
6.21 mi12:19:4356:209:0427:50
8:58
#20918
15K
9.32 mi12:46:451:23:228:5727:02
8:42
#20316
20K
12.43 mi13:13:311:50:088:5226:46
8:37
#19643
Half
13.11 mi13:19:261:56:038:515:55
8:40
#19608
25K
15.53 mi13:40:432:17:208:5021:17
8:47
#19308
30K
18.64 mi14:08:152:44:528:5127:32
8:52
#18815
20M
20.00 mi14:20:172:56:548:5112:02
8:51
#18581
21M
21.00 mi14:29:383:06:158:529:21
9:21
#18369
35K
21.75 mi14:36:083:12:458:526:30
8:41
#18288
23M
23.00 mi14:47:123:23:498:5211:04
8:50
#18103
24M
24.00 mi14:55:453:32:228:518:33
8:33
#17974
40K
24.85 mi15:03:023:39:398:507:17
8:31
#17823
25.2M
25.20 mi15:06:113:42:488:503:09
9:08
#17761
Finish
26.22 mi15:14:303:51:078:498:19
8:10
#17594
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi211348437843718989(Top 71%)7092(Top 62%)7092(Top 145%)
10K6.21 mi3.10 mi20918+2168275+1628275+16220710(Top 78%)8094(Top 71%)8094(Top 166%)
15K9.32 mi3.11 mi20316+6027913+3627913+36218989(Top 71%)7092(Top 62%)7092(Top 145%)
20K12.43 mi3.11 mi19643+6737507+4067507+40617600(Top 66%)6288(Top 55%)6288(Top 129%)
Half13.11 mi0.68 mi19608+357485+227485+2218797(Top 71%)6954(Top 61%)6954(Top 142%)
25K15.53 mi2.42 mi19308+3007310+1757310+17517831(Top 67%)6475(Top 57%)6475(Top 133%)
30K18.64 mi3.11 mi18815+4937037+2737037+27316453(Top 62%)5759(Top 50%)5759(Top 118%)
20M20.00 mi1.36 mi18581+2346920+1176920+11715784(Top 59%)5448(Top 48%)5448(Top 112%)
21M21.00 mi1.00 mi18369+2126810+1106810+11015290(Top 57%)5227(Top 46%)5227(Top 107%)
35K21.75 mi0.75 mi18288+816772+386772+3816381(Top 62%)5930(Top 52%)5930(Top 121%)
23M23.00 mi1.25 mi18103+1856675+976675+9715237(Top 57%)5318(Top 47%)5318(Top 109%)
24M24.00 mi1.00 mi17974+1296610+656610+6514813(Top 56%)5132(Top 45%)5132(Top 105%)
40K24.85 mi0.85 mi17823+1516524+866524+8613525(Top 51%)4502(Top 39%)4502(Top 92%)
25.2M25.20 mi0.35 mi17761+626497+276497+2713392(Top 50%)4463(Top 39%)4463(Top 91%)
Finish26.22 mi1.02 mi17594+1676412+856412+8513224(Top 50%)4333(Top 38%)4333(Top 89%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21story building
+97ft-345ft

Overall

18989

Females

7092

F18-39

7092

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

20710

Females

8094

F18-39

8094

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+67ft-78ft

Overall

18989

Females

7092

F18-39

7092

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

17600

Females

6288

F18-39

6288

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

18797

Females

6954

F18-39

6954

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

17831

Females

6475

F18-39

6475

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

16453

Females

5759

F18-39

5759

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

15784

Females

5448

F18-39

5448

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

15290

Females

5227

F18-39

5227

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

16381

Females

5930

F18-39

5930

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

15237

Females

5318

F18-39

5318

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

14813

Females

5132

F18-39

5132

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13525

Females

4502

F18-39

4502

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

13392

Females

4463

F18-39

4463

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

13224

Females

4333

F18-39

4333

Passing Analysis

Category:
Athletes Passed
3850
Passed By
310
Net Change
+3540
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21134
5K → 10K399183+216#21134#20918
10K → 15K62422+602#20918#20316
15K → 20K6763+673#20316#19643
20K → Half4914+35#19643#19608
Half → 25K31818+300#19608#19308
25K → 30K50310+493#19308#18815
30K → 20M2428+234#18815#18581
20M → 21M22311+212#18581#18369
21M → 35K876+81#18369#18288
35K → 23M19712+185#18288#18103
23M → 24M1378+129#18103#17974
24M → 40K1521+151#17974#17823
40K → 25.2M642+62#17823#17761
25.2M → Finish17912+167#17761#17594
TOTALS3850310+3540
📊

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