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BOSTON MARATHON 2023

Chiara Gelinas

CA

Bib: 12179 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 37%
Gender (Female)
#0 / 11423
Top 18%
Masters (Masters Women)
#0 / 6539
Top 7%
Division (F40-44)
#0 / 1878
Top 16%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:57/mi
24:43
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:48/mi
48:57
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:46/mi
1:13:05
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:50/mi
1:37:25
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:42/mi
1:42:40
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:45/mi
2:01:28
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:49/mi
2:25:44
↑ 181↓ 1480.2%
138 ft elev
20M
7:44/mi
2:36:15
↑ 64↓ 500.2%
148 ft elev
21M
7:58/mi
2:44:13
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:28/mi
2:49:48
↑ 17↓ 861.7%
156 ft elev
23M
7:27/mi
2:59:08
↑ 23↓ 630.6%
116 ft elev
24M
7:17/mi
3:06:25
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:17/mi
3:12:39
↓ 200.3%
20 ft elev
25.2M
7:44/mi
3:15:19
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:55/mi
3:22:22
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:42:407:50 /mi+2.9%
2nd Half
1:39:427:36 /mi✓ faster
Negative split — 2.9% faster in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
24:437:573.11 mi24:43
7:57
-
10K
48:577:533.10 mi24:14
7:48
-0:09
15K
1:13:057:503.11 mi24:08
7:46
-0:02
20K
1:37:257:503.11 mi24:20
7:50
+0:04
Half(13.11 mi)
1:42:407:500.68 mi5:15
7:42
-0:08
25K
2:01:287:492.42 mi18:48
7:45
+0:03
30K
2:25:447:493.11 mi24:16
7:49
+0:04
20M
2:36:157:491.36 mi10:31
7:44
-0:05
21M
2:44:137:491.00 mi7:58
7:58
+0:14
35K
2:49:487:480.75 mi5:35
7:28
-0:30
23M
2:59:087:471.25 mi9:20
7:27
-0:01
24M
3:06:257:461.00 mi7:17
7:17
-0:10
40K
3:12:397:450.85 mi6:14
7:17
0:00
25.2M
3:15:197:450.35 mi2:40
7:44
+0:27
Finish(26.22 mi)
3:22:227:431.02 mi7:03
6:55
-0:49
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:55 /mi

Average Pace

7:43 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

35:29

18% of race

Time at Steady Pace

2:46:53

82% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:43 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi13690383238321244831533153
10K3.10 mi13402+2883680+1523680+1521311534953495
15K3.11 mi13043+3593483+1973483+1971244831533153
20K3.11 mi12756+2873336+1473336+1471200629732973
Half(13.11 mi)0.68 mi12689+673309+273309+271185328052805
25K2.42 mi12340+3493138+1713138+1711073923522352
30K3.11 mi11764+5762841+2972841+297946119131913
20M1.36 mi11472+2922701+1402701+140846615901590
21M1.00 mi11163+3092541+1602541+160718512101210
35K0.75 mi11051+1122492+492492+49833416361636
23M1.25 mi10707+3442360+1322360+1326207893893
24M1.00 mi10480+2272271+892271+89630910281028
40K0.85 mi10232+2482163+1082163+1085451806806
25.2M0.35 mi10130+1022126+372126+375162807807
Finish(26.22 mi)1.02 mi9845+2852024+1022024+1024781666666

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

12448

Females

3153

F40-44

3153

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

13115

Females

3495

F40-44

3495

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

12448

Females

3153

F40-44

3153

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

12006

Females

2973

F40-44

2973

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

11853

Females

2805

F40-44

2805

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

10739

Females

2352

F40-44

2352

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

9461

Females

1913

F40-44

1913

30K→20M

18.6 - 20.0 mi

Top 32%
×5story building
+64ft-50ft

Overall

8466

Females

1590

F40-44

1590

20M→21M

20.0 - 21.0 mi

Top 27%
×8story building
+106ft-24ft

Overall

7185

Females

1210

F40-44

1210

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

8334

Females

1636

F40-44

1636

35K→23M

21.8 - 23.0 mi

Top 23%
×5story building
+23ft-63ft

Overall

6207

Females

893

F40-44

893

23M→24M

23.0 - 24.0 mi

Top 24%
×6story building
+12ft-82ft

Overall

6309

Females

1028

F40-44

1028

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5451

Females

806

F40-44

806

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5162

Females

807

F40-44

807

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2story building
+22ft-21ft

Overall

4781

Females

666

F40-44

666

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#13690
5K → 10K
183471+288
#13690 → #13402
10K → 15K
79438+359
#13402 → #13043
15K → 20K
49336+287
#13043 → #12756
20K → Half
1178+67
#12756 → #12689
Half → 25K
12361+349
#12689 → #12340
25K → 30K
10586+576
#12340 → #11764
30K → 20M
5297+292
#11764 → #11472
20M → 21M
2311+309
#11472 → #11163
21M → 35K
6118+112
#11163 → #11051
35K → 23M
1345+344
#11051 → #10707
23M → 24M
1228+227
#10707 → #10480
24M → 40K
2250+248
#10480 → #10232
40K → 25.2M
1103*+102
#10232 → #10130
25.2M → Finish
4289*+285
#10130 → #9845
TOTALS
3664211*+3845
#13690 → #9845

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

Passing Visualized

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