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BOSTON MARATHON 2023

Carolina Bellaguarda

Bib: 19118•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 44%
Masters (Masters Women)
#0 / 6539
Top 32%
Division (F40-44)
#0 / 1878
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
7:49/mi
24:18
↑ 97↓ 3451.5%
10K· 6.21 mi
7:50/mi
48:37
↑ 79↓ 1380.4%
15K· 9.32 mi
8:01/mi
1:13:32
↑ 67↓ 78
20K· 12.43 mi
8:07/mi
1:38:45
↑ 106↓ 860.1%
Half· 13.11 mi
7:56/mi
1:44:10
↑ 19↓ 370.5%
25K· 15.53 mi
8:13/mi
2:04:06
↑ 66↓ 880.2%
30K· 18.64 mi
8:37/mi
2:30:52
↑ 181↓ 1480.2%
20M
8:42/mi
2:42:42
↑ 64↓ 500.2%
21M
9:33/mi
2:52:15
↑ 106↓ 241.6%
35K· 21.75 mi
8:35/mi
2:58:40
↑ 17↓ 861.7%
23M
9:19/mi
3:10:20
↑ 23↓ 630.6%
24M
8:54/mi
3:19:14
↓ 821.3%
40K· 24.85 mi
9:41/mi
3:27:31
↓ 200.3%
25.2M
11:10/mi
3:31:22
↑ 13↓ 160.2%
Finish· 26.22 mi
9:15/mi
3:40:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:10
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:56:38
Pace8:54 /mi
📊Positive Split: 12.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:4324:187:4924:18
7:49
-
10K
6.21 mi11:40:0248:377:4924:19
7:50
+0:01
15K
9.32 mi12:04:571:13:327:5324:55
8:01
+0:11
20K
12.43 mi12:30:101:38:457:5725:13
8:07
+0:06
Half
13.11 mi12:35:351:44:107:575:25
7:56
-0:11
25K
15.53 mi12:55:312:04:067:5919:56
8:13
+0:17
30K
18.64 mi13:22:172:30:528:0626:46
8:37
+0:24
20M
20.00 mi13:34:072:42:428:0811:50
8:42
+0:05
21M
21.00 mi13:43:402:52:158:129:33
9:33
+0:51
35K
21.75 mi13:50:052:58:408:136:25
8:35
-0:58
23M
23.00 mi14:01:453:10:208:1711:40
9:19
+0:44
24M
24.00 mi14:10:393:19:148:188:54
8:54
-0:25
40K
24.85 mi14:18:563:27:318:218:17
9:41
+0:47
25.2M
25.20 mi14:22:473:31:228:233:51
11:10
+1:29
Finish
26.22 mi14:32:133:40:488:269:26
9:15
-1:55

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

7:49 /mi

Average Pace

8:26 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:10

47% of race

Time at Steady Pace

1:13:51

33% of race

Time at Slower Pace

42:47

19% of race

Average Pace: 8:25 /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 mi11:15:4324:187:4924:18
7:49
#12580
10K
6.21 mi11:40:0248:377:4924:19
7:50
#12932
15K
9.32 mi12:04:571:13:327:5324:55
8:01
#13497
20K
12.43 mi12:30:101:38:457:5725:13
8:07
#13673
Half
13.11 mi12:35:351:44:107:575:25
7:56
#13682
25K
15.53 mi12:55:312:04:067:5919:56
8:13
#13781
30K
18.64 mi13:22:172:30:528:0626:46
8:37
#14058
20M
20.00 mi13:34:072:42:428:0811:50
8:42
#14121
21M
21.00 mi13:43:402:52:158:129:33
9:33
#14236
35K
21.75 mi13:50:052:58:408:136:25
8:35
#14277
23M
23.00 mi14:01:453:10:208:1711:40
9:19
#14504
24M
24.00 mi14:10:393:19:148:188:54
8:54
#14587
40K
24.85 mi14:18:563:27:318:218:17
9:41
#14782
25.2M
25.20 mi14:22:473:31:228:233:51
11:10
#14921
Finish
26.22 mi14:32:133:40:488:269:26
9:15
#15140
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi125803209320914559(Top 55%)4423(Top 39%)4423(Top 236%)
10K6.21 mi3.10 mi12932-3523407-1983407-19813377(Top 50%)3648(Top 32%)3648(Top 194%)
15K9.32 mi3.11 mi13497-5653748-3413748-34114559(Top 55%)4423(Top 39%)4423(Top 236%)
20K12.43 mi3.11 mi13673-1763895-1473895-14714348(Top 54%)4319(Top 38%)4319(Top 230%)
Half13.11 mi0.68 mi13682-93897-23897-213976(Top 52%)4085(Top 36%)4085(Top 218%)
25K15.53 mi2.42 mi13781-993978-813978-8114413(Top 54%)4465(Top 39%)4465(Top 238%)
30K18.64 mi3.11 mi14058-2774184-2064184-20615013(Top 56%)4935(Top 43%)4935(Top 263%)
20M20.00 mi1.36 mi14121-634241-574241-5714916(Top 56%)4943(Top 43%)4943(Top 263%)
21M21.00 mi1.00 mi14236-1154334-934334-9316214(Top 61%)5742(Top 50%)5742(Top 306%)
35K21.75 mi0.75 mi14277-414375-414375-4115749(Top 59%)5544(Top 49%)5544(Top 295%)
23M23.00 mi1.25 mi14504-2274527-1524527-15217604(Top 66%)6628(Top 58%)6628(Top 353%)
24M24.00 mi1.00 mi14587-834605-784605-7816775(Top 63%)6231(Top 55%)6231(Top 332%)
40K24.85 mi0.85 mi14782-1954749-1444749-14418984(Top 71%)7480(Top 65%)7480(Top 398%)
25.2M25.20 mi0.35 mi14921-1394840-914840-9120832(Top 78%)8484(Top 74%)8484(Top 452%)
Finish26.22 mi1.02 mi15140-2194993-1534993-15319183(Top 72%)7537(Top 66%)7537(Top 401%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

14559

Females

4423

F40-44

4423

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

13377

Females

3648

F40-44

3648

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

14559

Females

4423

F40-44

4423

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

14348

Females

4319

F40-44

4319

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

13976

Females

4085

F40-44

4085

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

14413

Females

4465

F40-44

4465

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

15013

Females

4935

F40-44

4935

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

14916

Females

4943

F40-44

4943

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

16214

Females

5742

F40-44

5742

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

15749

Females

5544

F40-44

5544

35K→23M

21.8 - 23.0 mi

Top 66%
×5story building
+23ft-63ft

Overall

17604

Females

6628

F40-44

6628

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

16775

Females

6231

F40-44

6231

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18984

Females

7480

F40-44

7480

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20832

Females

8484

F40-44

8484

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

19183

Females

7537

F40-44

7537

Passing Analysis

Category:
Athletes Passed
867
Passed By
3427
Net Change
-2560
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12580
5K → 10K165517-352#12580#12932
10K → 15K66631-565#12932#13497
15K → 20K127303-176#13497#13673
20K → Half2130-9#13673#13682
Half → 25K101200-99#13682#13781
25K → 30K112389-277#13781#14058
30K → 20M68131-63#14058#14121
20M → 21M47162-115#14121#14236
21M → 35K3778-41#14236#14277
35K → 23M30257-227#14277#14504
23M → 24M48131-83#14504#14587
24M → 40K22217-195#14587#14782
40K → 25.2M6145-139#14782#14921
25.2M → Finish17236-219#14921#15140
TOTALS8673427-2560
📊

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