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BOSTON MARATHON 2026

Juliana Da Costa Souza

Bib: 22770•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 38%
Masters (Masters Women)
#0 / 6862
Top 23%
Age Group (F45-49)
#0 / 1786
Top 26%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
25:18
3.11 mi
Rank: #17868
Start → 5K
25:18 | 8:09/mi
10K
50:09
6.21 mi
Rank: #17594 (+274)
5K → 10K
24:51 | 8:00/mi
15K
1:14:49
9.32 mi
Rank: #17264 (+330)
10K → 15K
24:40 | 7:57/mi
20K
1:39:46
12.43 mi
Rank: #17003 (+261)
15K → 20K
24:57 | 8:02/mi
HALF
1:45:12
13.11 mi
Rank: #16995 (+8)
20K → HALF
5:26 | 7:59/mi
25K
2:04:46
15.53 mi
Rank: #16813 (+182)
HALF → 25K
19:34 | 8:05/mi
30K
2:30:05
18.64 mi
Rank: #16359 (+454)
25K → 30K
25:19 | 8:09/mi
20M
2:41:04
20.00 mi
Rank: #16140 (+219)
30K → 20M
10:59 | 8:06/mi
21M
2:49:27
21.00 mi
Rank: #15893 (+247)
20M → 21M
8:23 | 8:23/mi
35K
2:55:15
21.75 mi
Rank: #15762 (+131)
21M → 35K
5:48 | 7:46/mi
23M
3:04:57
23.00 mi
Rank: #15450 (+312)
35K → 23M
9:42 | 7:46/mi
24M
3:12:31
24.00 mi
Rank: #15221 (+229)
23M → 24M
7:34 | 7:34/mi
40K
3:19:08
24.85 mi
Rank: #15023 (+198)
24M → 40K
6:37 | 7:45/mi
25.2M
3:21:57
25.20 mi
Rank: #14926 (+97)
40K → 25.2M
2:49 | 8:11/mi
FINISH
3:29:25
26.22 mi
Rank: #14753 (+173)
25.2M → FINISH
7:28 | 7:20/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:45:12
Pace8:02 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:44:13
Pace7:57 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:1925:188:0925:18
8:09
-
10K
6.21 mi11:52:1050:098:0524:51
8:00
-0:09
15K
9.32 mi12:16:501:14:498:0224:40
7:57
-0:03
20K
12.43 mi12:41:471:39:468:0224:57
8:02
+0:05
HALF
13.11 mi12:47:131:45:128:025:26
7:59
-0:03
25K
15.53 mi13:06:472:04:468:0219:34
8:05
+0:06
30K
18.64 mi13:32:062:30:058:0425:19
8:09
+0:04
20M
20.00 mi13:43:052:41:048:0410:59
8:06
-0:03
21M
21.00 mi13:51:282:49:278:058:23
8:23
+0:17
35K
21.75 mi13:57:162:55:158:045:48
7:46
-0:37
23M
23.00 mi14:06:583:04:578:039:42
7:46
0:00
24M
24.00 mi14:14:323:12:318:027:34
7:34
-0:12
40K
24.85 mi14:21:093:19:088:016:37
7:45
+0:11
25.2M
25.20 mi14:23:583:21:578:012:49
8:11
+0:26
FINISH
26.22 mi14:31:263:29:258:007:28
7:20
-0:51

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

8:00 /mi

Slowest Pace

8:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:57:03

56% of race

Time at Steady Pace

1:32:22

44% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:59 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:27:1925:188:0925:18
8:09
#17868
10K
6.21 mi11:52:1050:098:0524:51
8:00
#17594
15K
9.32 mi12:16:501:14:498:0224:40
7:57
#17264
20K
12.43 mi12:41:471:39:468:0224:57
8:02
#17003
HALF
13.11 mi12:47:131:45:128:025:26
7:59
#16995
25K
15.53 mi13:06:472:04:468:0219:34
8:05
#16813
30K
18.64 mi13:32:062:30:058:0425:19
8:09
#16359
20M
20.00 mi13:43:052:41:048:0410:59
8:06
#16140
21M
21.00 mi13:51:282:49:278:058:23
8:23
#15893
35K
21.75 mi13:57:162:55:158:045:48
7:46
#15762
23M
23.00 mi14:06:583:04:578:039:42
7:46
#15450
24M
24.00 mi14:14:323:12:318:027:34
7:34
#15221
40K
24.85 mi14:21:093:19:088:016:37
7:45
#15023
25.2M
25.20 mi14:23:583:21:578:012:49
8:11
#14926
FINISH
26.22 mi14:31:263:29:258:007:28
7:20
#14753
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi178686429642916528(Top 57%)5626(Top 45%)5626(Top 315%)
10K6.21 mi3.10 mi17594+2746252+1776252+17717219(Top 59%)6034(Top 48%)6034(Top 338%)
15K9.32 mi3.11 mi17264+3306081+1716081+17116528(Top 57%)5626(Top 45%)5626(Top 315%)
20K12.43 mi3.11 mi17003+2615937+1445937+14416336(Top 56%)5567(Top 44%)5567(Top 312%)
HALF13.11 mi0.68 mi16995+85930+75930+716909(Top 58%)5849(Top 47%)5849(Top 327%)
25K15.53 mi2.42 mi16813+1825830+1005830+10015913(Top 55%)5371(Top 43%)5371(Top 301%)
30K18.64 mi3.11 mi16359+4545616+2145616+21414579(Top 50%)4726(Top 38%)4726(Top 265%)
20M20.00 mi1.36 mi16140+2195502+1145502+11413461(Top 46%)4211(Top 33%)4211(Top 236%)
21M21.00 mi1.00 mi15893+2475375+1275375+12712410(Top 43%)3745(Top 30%)3745(Top 210%)
35K21.75 mi0.75 mi15762+1315309+665309+6612769(Top 44%)3969(Top 32%)3969(Top 222%)
23M23.00 mi1.25 mi15450+3125162+1475162+14710732(Top 37%)2991(Top 24%)2991(Top 167%)
24M24.00 mi1.00 mi15221+2295049+1135049+11310676(Top 37%)3018(Top 24%)3018(Top 169%)
40K24.85 mi0.85 mi15023+1984946+1034946+10310667(Top 37%)3107(Top 25%)3107(Top 174%)
25.2M25.20 mi0.35 mi14926+974899+474899+479545(Top 33%)2662(Top 21%)2662(Top 149%)
FINISH26.22 mi1.02 mi14753+1734820+794820+7910136(Top 35%)2924(Top 23%)2924(Top 164%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21
+97ft-345ft

Overall

16528

Females

5626

F45-49

5626

5K→10K

3.1 - 6.2 mi

Top 59%
×5
+79ft-138ft

Overall

17219

Females

6034

F45-49

6034

10K→15K

6.2 - 9.3 mi

Top 57%
×3
+67ft-78ft

Overall

16528

Females

5626

F45-49

5626

15K→20K

9.3 - 12.4 mi

Top 56%
×5
+106ft-86ft

Overall

16336

Females

5567

F45-49

5567

20K→HALF

12.4 - 13.1 mi

Top 58%
×2
+19ft-37ft

Overall

16909

Females

5849

F45-49

5849

HALF→25K

13.1 - 15.5 mi

Top 55%
×4
+66ft-88ft

Overall

15913

Females

5371

F45-49

5371

25K→30K

15.5 - 18.6 mi

Top 50%
×9
+181ft-148ft

Overall

14579

Females

4726

F45-49

4726

30K→20M

18.6 - 20.0 mi

Top 46%
×5
+64ft-50ft

Overall

13461

Females

4211

F45-49

4211

20M→21M

20.0 - 21.0 mi

Top 43%
×8
+106ft-24ft

Overall

12410

Females

3745

F45-49

3745

21M→35K

21.0 - 21.8 mi

Top 44%
×7
+17ft-86ft

Overall

12769

Females

3969

F45-49

3969

35K→23M

21.8 - 23.0 mi

Top 37%
×5
+23ft-63ft

Overall

10732

Females

2991

F45-49

2991

23M→24M

23.0 - 24.0 mi

Top 37%
×6
+12ft-82ft

Overall

10676

Females

3018

F45-49

3018

24M→40K

24.0 - 24.9 mi

Top 37%
×1
+6ft-20ft

Overall

10667

Females

3107

F45-49

3107

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1
+13ft-16ft

Overall

9545

Females

2662

F45-49

2662

25.2M→FINISH

25.2 - 26.2 mi

Top 35%
×2
+22ft-21ft

Overall

10136

Females

2924

F45-49

2924

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3531*
Passed By
416
Net Change
+3115
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17868
5K → 10K427*153+274#17868#17594
10K → 15K394*64+330#17594#17264
15K → 20K321*60+261#17264#17003
20K → HALF3628+8#17003#16995
HALF → 25K225*43+182#16995#16813
25K → 30K478*24+454#16813#16359
30K → 20M229*10+219#16359#16140
20M → 21M252*5+247#16140#15893
21M → 35K1376+131#15893#15762
35K → 23M316*4+312#15762#15450
23M → 24M233*4+229#15450#15221
24M → 40K206*8+198#15221#15023
40K → 25.2M970+97#15023#14926
25.2M → FINISH1807+173#14926#14753
TOTALS3531*416+3115

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing